diff --git a/CMakeLists.txt b/CMakeLists.txt
index ba346f9a..0725971e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,7 +29,7 @@ endif()
 
 # You will most likely get a message about being unable to open hunspell-1.7.lib because pkgconf forgets to add the actual path to
 # HUNSPELL_LIBRARIES. If so, uncomment the below line and point it to the correct vcpkg root folder/library.
-#set(HUNSPELL_LIBRARIES "C:\\PATH\\TO\\ROOT\\vcpkg\\installed\\${VCPKG_TARGET_TRIPLET}\\lib\\hunspell-1.7.lib")
+set(HUNSPELL_LIBRARIES "C:\\src\\vcpkg\\installed\\${VCPKG_TARGET_TRIPLET}\\lib\\hunspell-1.7.lib")
 message("-- Does this have a full path? If not, and it's just a file name, it's broken: Found Hunspell at ${HUNSPELL_LIBRARIES}")
 
 include_directories("${PROJECT_BINARY_DIR}/src")
@@ -109,6 +109,11 @@ if(WIN32)
   )
 endif()
 
+# Magic Set Editor Updater executable
+
+add_executable(magicseteditor-updater WIN32)
+target_link_libraries(magicseteditor-updater PRIVATE wxWidgets::wxWidgets)
+target_sources(magicseteditor-updater PRIVATE src_updater/main.cpp src_updater/win32_res.rc src_updater/updater.ico)
 
 # warnings
 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
diff --git a/resource/icon/updater.ico b/resource/icon/updater.ico
new file mode 100644
index 00000000..bb10d2f3
Binary files /dev/null and b/resource/icon/updater.ico differ
diff --git a/resource/tool/check_updates.png b/resource/tool/check_updates.png
index 56e3adf5..a03d215a 100644
Binary files a/resource/tool/check_updates.png and b/resource/tool/check_updates.png differ
diff --git a/resource/tool/dark_check_updates.png b/resource/tool/dark_check_updates.png
deleted file mode 100644
index 8c4351cf..00000000
Binary files a/resource/tool/dark_check_updates.png and /dev/null differ
diff --git a/resource/tool/dark_reload_data.png b/resource/tool/dark_reload_data.png
deleted file mode 100644
index d6043b6c..00000000
Binary files a/resource/tool/dark_reload_data.png and /dev/null differ
diff --git a/resource/tool/reload_data.png b/resource/tool/reload_data.png
index fecb2722..8a0ec43d 100644
Binary files a/resource/tool/reload_data.png and b/resource/tool/reload_data.png differ
diff --git a/resource/win32_res.rc b/resource/win32_res.rc
index aabd5a9e..bfffb4e4 100644
--- a/resource/win32_res.rc
+++ b/resource/win32_res.rc
@@ -11,6 +11,7 @@
 
 icon/app ICON "icon/app.ico" // has to come first in alphabet!!
 icon/installer ICON "icon/installer.ico"
+icon/updater ICON "icon/updater.ico"
 icon/set ICON "icon/set.ico"
 icon/symbol ICON "icon/symbol.ico"
 
@@ -28,9 +29,7 @@ tool/export_images IMAGE "tool/export_images.png"
 tool/export_mws IMAGE "tool/export_mws.png"
 tool/export_apprentice IMAGE "tool/export_apprentice.png"
 tool/reload_data IMAGE "tool/reload_data.png"
-tool/dark_reload_data IMAGE "tool/dark_reload_data.png"
 tool/check_updates IMAGE "tool/check_updates.png"
-tool/dark_check_updates IMAGE "tool/dark_check_updates.png"
 tool/print IMAGE "tool/print.png"
 tool/print_preview IMAGE "tool/print_preview.png"
 
diff --git a/src/data/installer.cpp b/src/data/installer.cpp
index 9f23fc61..fc09d795 100644
--- a/src/data/installer.cpp
+++ b/src/data/installer.cpp
@@ -20,6 +20,7 @@
 #include <wx/wfstream.h>
 #include <wx/zipstrm.h>
 #include <wx/stdpaths.h>
+#include <unordered_set>
 
 // Don't do this check for now, because we can't bless packages
 #define USE_MODIFIED_CHECK 0
@@ -36,17 +37,17 @@ IMPLEMENT_REFLECTION(Installer) {
 
 void Installer::validate(Version file_app_version) {
   Packaged::validate(file_app_version);
-  // load icons where possible
+  // load icons if it's a disk path
   FOR_EACH(p,packages) {
-    String url = p->icon_url;
+    String filename = p->icon_url;
     if (settings.darkMode() && !p->dark_icon_url.empty()) {
-      url = p->dark_icon_url;
+      filename = p->dark_icon_url;
     }
-    if (!url.empty() && !starts_with(url,_("http:"))) {
+    if (!filename.empty() && !starts_with(filename,_("http"))) {
       // TODO: support absolute icon names
       try{
-        String filename = p->name + _("/") + url;
-        auto img_stream = openIn(p->name + _("/") + url);
+        String filepath = p->name + _("/") + filename;
+        auto img_stream = openIn(filepath);
         image_load_file(p->icon, *img_stream);
       } catch (...) {
         // ignore errors, it's just an image
@@ -251,7 +252,7 @@ IMPLEMENT_REFLECTION_NO_SCRIPT(PackageDescription) {
 }
 
 void PackageDescription::merge(const PackageDescription& p2) {
-  if (!icon.Ok() && !icon_url) icon = p2.icon;
+  if (!icon.Ok()) icon = p2.icon;
   if (installer_group.empty()) installer_group = p2.installer_group;
   if (short_name.empty()) short_name = p2.short_name;
   if (full_name.empty()) full_name = p2.full_name;
@@ -505,33 +506,44 @@ void remove_package_dependency(InstallablePackages& packages, Dep dep, PackageAc
 
 // ----------------------------------------------------------------------------- : Installable package : dependency stuff (OLD)
 
-bool add_package_dependency(InstallablePackages& packages, const PackageDependency& dep, PackageAction where, bool set) {
+bool add_package_dependency(InstallablePackages& packages, const InstallablePackageP& package, const PackageDependency& dep, PackageAction where, bool set, unordered_set<String>& already_checked) {
   FOR_EACH(p, packages) {
-    if (p->description->name == dep.package) {
-      // Some package depends on this package, so install it if needed
+    if (p->description->name == dep.package) {
+      if (already_checked.find(p->description->name) != already_checked.end()) return true;
+      already_checked.insert(p->description->name);
+      // package depends on p, so install p if needed
       // Mark the installation as "automatically needed for X packages"
-      // if !set then instead the dependency is no longer needed because we are not installing the package
+      // if !set then instead the dependency is no longer needed because we are no longer installing package
       if (!p->installed || p->installed->version < dep.version) {
-        bool change = false;
         if (p->action & PACKAGE_ACT_INSTALL) {
-          // this package is already scheduled for installation
+          // p is already scheduled for installation
           if (p->automatic) {
-            // we are already automatically depending on this package
+            // we are already automatically depending on p
             p->automatic += set ? +1 : -1;
             if (p->automatic == 0) {
-              // no one needs this package anymore
+              // no one needs p anymore
               p->action = PACKAGE_ACT_NOTHING;
-              change = true;
+            }
+          }
+          // handle circular dependencies
+          if (!set) {
+            FOR_EACH(pdep, p->description->dependencies) {
+              if (package->description->name == pdep->package && (!package->installed || package->installed->version < pdep->version)) {
+                // p depends on package, so we can no longer install p
+                // because it depends on a version of package that we are no longer installing
+                p->automatic = 0;
+                p->action = PACKAGE_ACT_NOTHING;
+                break;
+              }
             }
           }
         } else if (set) {
           p->action = where | PACKAGE_ACT_INSTALL;
           p->automatic = 1;
-          change = true;
         }
         // recursively add/remove dependencies
         FOR_EACH(dep, p->description->dependencies) {
-          if (!add_package_dependency(packages, *dep, where, set)) {
+          if (!add_package_dependency(packages, p, *dep, where, set, already_checked)) {
             return false; // failed
           }
         }
@@ -573,9 +585,10 @@ bool set_package_action_unsafe(InstallablePackages& packages, const InstallableP
     // need the package
     package->automatic = 0;
     package->action    = action;
-    // check dependencies
+    // check dependencies
+    unordered_set<String> already_checked;
     FOR_EACH(dep, package->description->dependencies) {
-      if (!add_package_dependency(packages, *dep, where, !(action & PACKAGE_ACT_NOTHING))) return false;
+      if (!add_package_dependency(packages, package, *dep, where, !(action & PACKAGE_ACT_NOTHING), already_checked)) return false;
     }
     return true;
   } else if ((action & PACKAGE_ACT_REMOVE) || ((action & PACKAGE_ACT_NOTHING) && !package->has(PACKAGE_INSTALLED))) {
@@ -608,7 +621,7 @@ bool set_package_action(InstallablePackages& packages, const InstallablePackageP
 
 // ----------------------------------------------------------------------------- : MSE package
 
-String mse_package = _("magicseteditor.exe");
+String mse_package = _("Magic Set Editor");
 
 InstallablePackageP mse_installable_package() {
   PackageVersionP mse_version(new PackageVersion(
@@ -618,11 +631,10 @@ InstallablePackageP mse_installable_package() {
   mse_version->name    = mse_package;
   mse_version->version = app_version;
   PackageDescriptionP mse_description(new PackageDescription);
-  mse_description->name          = mse_package;
-  mse_description->short_name    = mse_description->full_name = mse_description->installer_group
-          = _TITLE_("magic set editor");
-  mse_description->position_hint = -100;
-  mse_description->icon          = load_resource_image(_("installer_program"));
+  mse_description->name            = mse_description->installer_group = mse_package;
+  mse_description->short_name      = mse_description->full_name = _TITLE_("magic set editor");
+  mse_description->position_hint   = -100;
+  mse_description->icon            = load_resource_image(_("installer_program"));
   //mse_description->description   = _LABEL_("magic set editor package");
   return make_intrusive<InstallablePackage>(mse_description, mse_version);
 }
diff --git a/src/data/installer.hpp b/src/data/installer.hpp
index ac446c9e..c6f1c87f 100644
--- a/src/data/installer.hpp
+++ b/src/data/installer.hpp
@@ -191,7 +191,7 @@ bool set_package_action(InstallablePackages& packages, const InstallablePackageP
 
 // ----------------------------------------------------------------------------- : Program package
 
-/// The "magicseteditor.exe" package is special, it refers to the program
+/// The "Magic Set Editor" package is special, it refers to the program
 extern String mse_package;
 
 InstallablePackageP mse_installable_package();
diff --git a/src/data/settings.cpp b/src/data/settings.cpp
index cff49b1e..a72e5dd9 100644
--- a/src/data/settings.cpp
+++ b/src/data/settings.cpp
@@ -26,9 +26,16 @@
 // ----------------------------------------------------------------------------- : Extra types
 
 IMPLEMENT_REFLECTION_ENUM(CheckUpdates) {
-  VALUE_N("if connected", CHECK_IF_CONNECTED); //default
-  VALUE_N("always",       CHECK_ALWAYS);
-  VALUE_N("never",        CHECK_NEVER);
+  VALUE_N("always",   CHECK_ALWAYS);
+  VALUE_N("every 5",  CHECK_5); //default
+  VALUE_N("every 10", CHECK_10);
+  VALUE_N("never",    CHECK_NEVER);
+}
+
+IMPLEMENT_REFLECTION_ENUM(CheckUpdatesTargets) {
+  VALUE_N("update app",        CHECK_APP);
+  VALUE_N("update games",      CHECK_GAMES);
+  VALUE_N("update everything", CHECK_EVERYTHING); //default
 }
 
 IMPLEMENT_REFLECTION_ENUM(InstallType) {
@@ -203,13 +210,10 @@ Settings::Settings()
   , dark_mode_type           (DARKMODE_SYSTEM)
   , import_scale_selection   (0)
   , allow_image_download     (true)
-  #if USE_OLD_STYLE_UPDATE_CHECKER
-  , updates_url              (_("https://magicseteditor.boards.net/page/downloads"))
-  #endif
-  , package_versions_url     (_("https://magicseteditor.boards.net/page/downloads"))
-  , installer_list_url       (_("https://magicseteditor.boards.net/page/downloads"))
-  , check_updates            (CHECK_IF_CONNECTED)
-  , check_updates_all        (true)
+  , installer_list_url       (_("https://raw.githubusercontent.com/MagicSetEditorPacks/Installer-Pack/refs/heads/main/packages.txt"))
+  , check_updates_what       (CHECK_EVERYTHING)
+  , check_updates_when       (CHECK_5)
+  , check_updates_counter    (0)
   , website_url              (_("https://magicseteditor.boards.net/"))
   , documentation_url        (_("https://mseverse.miraheze.org/wiki/Dev:Documentation#Topics"))
   , install_type             (INSTALL_DEFAULT)
@@ -344,15 +348,9 @@ IMPLEMENT_REFLECTION_NO_SCRIPT(Settings) {
   REFLECT(apprentice_location);
   REFLECT(import_scale_selection);
   REFLECT(allow_image_download);
-  #if USE_OLD_STYLE_UPDATE_CHECKER
-    REFLECT(updates_url);
-  #else
-    REFLECT_COMPAT_IGNORE(<306,"updates_url",String);
-  #endif
-  REFLECT(package_versions_url);
-  REFLECT(installer_list_url);
-  REFLECT(check_updates);
-  REFLECT(check_updates_all);
+  REFLECT(check_updates_what);
+  REFLECT(check_updates_when);
+  REFLECT(check_updates_counter);
   REFLECT(install_type);
   REFLECT(website_url);
   REFLECT(documentation_url);
diff --git a/src/data/settings.hpp b/src/data/settings.hpp
index 522108f2..870387a0 100644
--- a/src/data/settings.hpp
+++ b/src/data/settings.hpp
@@ -24,18 +24,23 @@ DECLARE_POINTER_TYPE(Field);
 DECLARE_POINTER_TYPE(Value);
 DECLARE_POINTER_TYPE(AutoReplace);
 
-// For now, use the old style update checker
-#define USE_OLD_STYLE_UPDATE_CHECKER 1
-
 // ----------------------------------------------------------------------------- : Extra data structures
 
 /// When to check for updates?
 enum CheckUpdates
 {  CHECK_ALWAYS
-,  CHECK_IF_CONNECTED
+,  CHECK_5
+,  CHECK_10
 ,  CHECK_NEVER
 };
 
+/// What to check for updates?
+enum CheckUpdatesTargets
+{  CHECK_APP
+,  CHECK_GAMES
+,  CHECK_EVERYTHING
+};
+
 /// Where to install to?
 enum InstallType
 {  INSTALL_DEFAULT  // the platform default.
@@ -236,13 +241,13 @@ public:
 
   // --------------------------------------------------- : Update checking
 
-  #if USE_OLD_STYLE_UPDATE_CHECKER
-    String updates_url;
-  #endif
-  String package_versions_url; ///< latest package versions
   String installer_list_url;   ///< available installers
-  CheckUpdates check_updates;
-  bool   check_updates_all; ///< Check updates of all packages, not just the program
+  CheckUpdatesTargets check_updates_what;
+  CheckUpdates check_updates_when;
+  int check_updates_counter;
+
+  // --------------------------------------------------- : Help links
+
   String website_url;
   String documentation_url;
   
diff --git a/src/data/updater.cpp b/src/data/updater.cpp
new file mode 100644
index 00000000..8d0963cb
--- /dev/null
+++ b/src/data/updater.cpp
@@ -0,0 +1,50 @@
+//+----------------------------------------------------------------------------+
+//| Description:  Magic Set Editor - Program to make card games                |
+//| Copyright:    (C) Twan van Laarhoven and the other MSE developers          |
+//| License:      GNU General Public License 2 or later (see file COPYING)     |
+//+----------------------------------------------------------------------------+
+
+// ----------------------------------------------------------------------------- : Includes
+
+#include <util/prec.hpp>
+#include <data/updater.hpp>
+#include <util/io/package_manager.hpp>
+
+// ----------------------------------------------------------------------------- : Updater
+
+void Updater::updateApplication(String argv) {
+  String path = absoluteFilename() + wxFileName::GetPathSeparator() + updater_name;
+  path = path + _(".exe");
+  if (wxFileExists(path)) {
+    wxExecute(path + _(" ") + argv, wxEXEC_ASYNC);
+  }
+  else {
+    queue_message(MESSAGE_ERROR, _("Executable file '" + path + "' not found!"));
+  }
+}
+
+UpdaterP Updater::byName(const String& name) {
+  return package_manager.open<Updater>(name + _(".mse-updater"));
+}
+
+IMPLEMENT_REFLECTION_NO_SCRIPT(Updater) {
+  REFLECT_BASE(Packaged);
+  REFLECT(updater_name);
+}
+
+String Updater::typeNameStatic() { return _("updater"); }
+String Updater::typeName() const { return _("updater"); }
+Version Updater::fileVersion() const { return app_version; }
+
+void Updater::validate(Version file_app_version) {
+  Packaged::validate(file_app_version);
+}
+
+// special behaviour of reading/writing UpdaterPs: only read/write the name
+
+void Reader::handle(UpdaterP& updater) {
+  updater = Updater::byName(getValue());
+}
+void Writer::handle(const UpdaterP& updater) {
+  if (updater) handle(updater->name());
+}
diff --git a/src/data/updater.hpp b/src/data/updater.hpp
new file mode 100644
index 00000000..1292eb65
--- /dev/null
+++ b/src/data/updater.hpp
@@ -0,0 +1,44 @@
+//+----------------------------------------------------------------------------+
+//| Description:  Magic Set Editor - Program to make card games                |
+//| Copyright:    (C) Twan van Laarhoven and the other MSE developers          |
+//| License:      GNU General Public License 2 or later (see file COPYING)     |
+//+----------------------------------------------------------------------------+
+
+#pragma once
+
+// ----------------------------------------------------------------------------- : Includes
+
+#include <util/prec.hpp>
+#include <util/reflect.hpp>
+#include <util/io/package.hpp>
+
+DECLARE_POINTER_TYPE(Updater);
+
+// ----------------------------------------------------------------------------- : Updater
+
+/// A description of an updater for the app (There should really only ever be one updater)
+class Updater : public Packaged {
+public:
+  Updater() {};
+
+  String updater_name;
+
+  // Close MSE and run the updater exe
+  void updateApplication(String argv);
+
+  static UpdaterP byName(const String& name);
+
+  static String typeNameStatic();
+  String typeName() const override;
+  Version fileVersion() const override;
+
+protected:
+  void validate(Version) override;
+
+  DECLARE_REFLECTION();
+};
+
+inline String type_name(const Updater&) {
+  return _TYPE_("updater");
+}
+
diff --git a/src/gfx/generated_image.cpp b/src/gfx/generated_image.cpp
index 504fffaa..848db230 100644
--- a/src/gfx/generated_image.cpp
+++ b/src/gfx/generated_image.cpp
@@ -111,9 +111,9 @@ ImageCombine LinearBlendImage::combine() const {
 bool LinearBlendImage::operator == (const GeneratedImage& that) const {
   const LinearBlendImage* that2 = dynamic_cast<const LinearBlendImage*>(&that);
   return that2 && *image1 == *that2->image1
-               && *image2 == *that2->image2
-               && x1 == that2->x1 && y1 == that2->y1
-               && x2 == that2->x2 && y2 == that2->y2;
+    && *image2 == *that2->image2
+    && x1 == that2->x1 && y1 == that2->y1
+    && x2 == that2->x2 && y2 == that2->y2;
 }
 
 // ----------------------------------------------------------------------------- : MaskedBlendImage
@@ -129,8 +129,8 @@ ImageCombine MaskedBlendImage::combine() const {
 bool MaskedBlendImage::operator == (const GeneratedImage& that) const {
   const MaskedBlendImage* that2 = dynamic_cast<const MaskedBlendImage*>(&that);
   return that2 && *light == *that2->light
-               && *dark  == *that2->dark
-               && *mask  == *that2->mask;
+    && *dark  == *that2->dark
+    && *mask  == *that2->mask;
 }
 
 // ----------------------------------------------------------------------------- : CombineBlendImage
@@ -146,8 +146,8 @@ ImageCombine CombineBlendImage::combine() const {
 bool CombineBlendImage::operator == (const GeneratedImage& that) const {
   const CombineBlendImage* that2 = dynamic_cast<const CombineBlendImage*>(&that);
   return that2 && *image1 == *that2->image1
-               && *image2 == *that2->image2
-               && image_combine == that2->image_combine;
+    && *image2 == *that2->image2
+    && image_combine == that2->image_combine;
 }
 
 // ----------------------------------------------------------------------------- : SetMaskImage
@@ -160,7 +160,7 @@ Image SetMaskImage::generate(const Options& opt) {
 bool SetMaskImage::operator == (const GeneratedImage& that) const {
   const SetMaskImage* that2 = dynamic_cast<const SetMaskImage*>(&that);
   return that2 && *image == *that2->image
-               && *mask  == *that2->mask;
+    && *mask  == *that2->mask;
 }
 
 Image SetAlphaImage::generate(const Options& opt) {
@@ -171,7 +171,7 @@ Image SetAlphaImage::generate(const Options& opt) {
 bool SetAlphaImage::operator == (const GeneratedImage& that) const {
   const SetAlphaImage* that2 = dynamic_cast<const SetAlphaImage*>(&that);
   return that2 && *image == *that2->image
-               && alpha  == that2->alpha;
+    && alpha  == that2->alpha;
 }
 
 // ----------------------------------------------------------------------------- : SetCombineImage
@@ -185,7 +185,7 @@ ImageCombine SetCombineImage::combine() const {
 bool SetCombineImage::operator == (const GeneratedImage& that) const {
   const SetCombineImage* that2 = dynamic_cast<const SetCombineImage*>(&that);
   return that2 && *image == *that2->image
-               && image_combine == that2->image_combine;
+    && image_combine == that2->image_combine;
 }
 
 // ----------------------------------------------------------------------------- : SaturateImage
@@ -198,7 +198,7 @@ Image SaturateImage::generate(const Options& opt) {
 bool SaturateImage::operator == (const GeneratedImage& that) const {
   const SaturateImage* that2 = dynamic_cast<const SaturateImage*>(&that);
   return that2 && *image == *that2->image
-               && amount == that2->amount;
+    && amount == that2->amount;
 }
 
 // ----------------------------------------------------------------------------- : InvertImage
@@ -223,7 +223,7 @@ Image RecolorImage::generate(const Options& opt) {
 bool RecolorImage::operator == (const GeneratedImage& that) const {
   const RecolorImage* that2 = dynamic_cast<const RecolorImage*>(&that);
   return that2 && *image == *that2->image
-               && color == that2->color;
+    && color == that2->color;
 }
 
 Image RecolorImage2::generate(const Options& opt) {
@@ -234,10 +234,10 @@ Image RecolorImage2::generate(const Options& opt) {
 bool RecolorImage2::operator == (const GeneratedImage& that) const {
   const RecolorImage2* that2 = dynamic_cast<const RecolorImage2*>(&that);
   return that2 && *image == *that2->image
-               && red == that2->red
-               && green == that2->green
-               && blue == that2->blue
-               && white == that2->white;
+    && red == that2->red
+    && green == that2->green
+    && blue == that2->blue
+    && white == that2->white;
 }
 
 // ----------------------------------------------------------------------------- : FlipImage
@@ -267,7 +267,7 @@ Image RotateImage::generate(const Options& opt) {
 bool RotateImage::operator == (const GeneratedImage& that) const {
   const RotateImage* that2 = dynamic_cast<const RotateImage*>(&that);
   return that2 && *image == *that2->image
-               && angle == that2->angle;
+    && angle == that2->angle;
 }
 
 // ----------------------------------------------------------------------------- : EnlargeImage
@@ -275,7 +275,7 @@ bool RotateImage::operator == (const GeneratedImage& that) const {
 Image EnlargeImage::generate(const Options& opt) {
   // generate 'sub' image
   Options sub_opt
-    ( int(opt.width  * (border_size < 0.5 ? 1 - 2 * border_size : 0))
+  ( int(opt.width  * (border_size < 0.5 ? 1 - 2 * border_size : 0))
     , int(opt.height * (border_size < 0.5 ? 1 - 2 * border_size : 0))
     , opt.package
     , opt.local_package
@@ -310,7 +310,7 @@ Image EnlargeImage::generate(const Options& opt) {
 bool EnlargeImage::operator == (const GeneratedImage& that) const {
   const EnlargeImage* that2 = dynamic_cast<const EnlargeImage*>(&that);
   return that2 && *image      == *that2->image
-               && border_size == that2->border_size;
+    && border_size == that2->border_size;
 }
 
 // ----------------------------------------------------------------------------- : ResizeImage
@@ -509,26 +509,9 @@ bool InsertedImage::operator == (const GeneratedImage& that) const {
 
 Image CropImage::generate(const Options& opt) {
   if (width <= 0) throw ScriptError(_ERROR_1_("negative image width", "crop_image"));
-  if (height <= 0) throw ScriptError(_ERROR_1_("negative image height", "crop_image"));
-  UInt size = width * height;
-  Image img = wxImage(width, height, false);
-  img.InitAlpha();
-  Byte* data = img.GetData();
-  Byte* alpha = img.GetAlpha();
-  Byte r = background_color.Red();
-  Byte g = background_color.Green();
-  Byte b = background_color.Blue();
-  Byte a = background_color.Alpha();
-  for (UInt i = 0; i < size; ++i) {
-    data[0] = r;
-    data[1] = g;
-    data[2] = b;
-    data += 3;
-    alpha[0] = a;
-    alpha += 1;
-  }
-  Image base_img = image->generate(opt);
-  img.Paste(base_img, -(int)offset_x, -(int)offset_y, wxIMAGE_ALPHA_BLEND_COMPOSE);
+  if (height <= 0) throw ScriptError(_ERROR_1_("negative image height", "crop_image"));
+  Image base_img = image->generate(opt);
+  Image img = base_img.Size(wxSize((int)width, (int)height), wxPoint(-(int)offset_x, -(int)offset_y)); //Image img = base_img.Size(wxSize((int)width, (int)height), wxPoint(-(int)offset_x, -(int)offset_y), background_color.Red(), background_color.Green(), background_color.Blue());
   // transfer metadata
   if (base_img.HasOption(wxIMAGE_OPTION_PNG_DESCRIPTION)) {
     String metadata = transformAllEncodedRects(base_img.GetOption(wxIMAGE_OPTION_PNG_DESCRIPTION), RealRect::translate, -offset_x, -offset_y);
@@ -556,9 +539,9 @@ Image CropImage::generate(const Options& opt) {
 bool CropImage::operator == (const GeneratedImage& that) const {
   const CropImage* that2 = dynamic_cast<const CropImage*>(&that);
   return that2 && *image      == *that2->image
-               && width    == that2->width    && height   == that2->height
-               && offset_x == that2->offset_x && offset_y == that2->offset_y
-               && background_color == that2->background_color;
+    && width    == that2->width    && height   == that2->height
+    && offset_x == that2->offset_x && offset_y == that2->offset_y
+    && background_color == that2->background_color;
 }
 
 // ----------------------------------------------------------------------------- : DropShadowImage
@@ -648,9 +631,9 @@ Image DropShadowImage::generate(const Options& opt) {
 bool DropShadowImage::operator == (const GeneratedImage& that) const {
   const DropShadowImage* that2 = dynamic_cast<const DropShadowImage*>(&that);
   return that2 && *image   == *that2->image
-               && offset_x == that2->offset_x && offset_y == that2->offset_y
-               && shadow_alpha == that2->shadow_alpha && shadow_blur_radius == that2->shadow_blur_radius
-               && shadow_color == that2->shadow_color;
+    && offset_x == that2->offset_x && offset_y == that2->offset_y
+    && shadow_alpha == that2->shadow_alpha && shadow_blur_radius == that2->shadow_blur_radius
+    && shadow_color == that2->shadow_color;
 }
 
 // ----------------------------------------------------------------------------- : PackagedImage
@@ -728,11 +711,11 @@ Image SymbolToImage::generate(const Options& opt) {
 bool SymbolToImage::operator == (const GeneratedImage& that) const {
   const SymbolToImage* that2 = dynamic_cast<const SymbolToImage*>(&that);
   return that2 && is_local  == that2->is_local
-               && filename  == that2->filename
-               && age       == that2->age
-               && (variation == that2->variation ||
-                   *variation == *that2->variation // custom variation
-                  );
+    && filename  == that2->filename
+    && age       == that2->age
+    && (variation == that2->variation ||
+      *variation == *that2->variation // custom variation
+      );
 }
 
 // ----------------------------------------------------------------------------- : ImageValueToImage
@@ -758,7 +741,7 @@ Image ImageValueToImage::generate(const Options& opt) {
 bool ImageValueToImage::operator == (const GeneratedImage& that) const {
   const ImageValueToImage* that2 = dynamic_cast<const ImageValueToImage*>(&that);
   return that2 && filename == that2->filename
-               && age      == that2->age;
+    && age      == that2->age;
 }
 
 // ----------------------------------------------------------------------------- : SetMetadataImage
@@ -771,7 +754,7 @@ Image SetMetadataImage::generate(const Options& opt) {
 bool SetMetadataImage::operator == (const GeneratedImage& that) const {
   const SetMetadataImage* that2 = dynamic_cast<const SetMetadataImage*>(&that);
   return that2 && *image == *that2->image
-             && metadata  == that2->metadata;
+    && metadata  == that2->metadata;
 }
 
 // ----------------------------------------------------------------------------- : ImportedImage
diff --git a/src/gui/control/tree_list.cpp b/src/gui/control/tree_list.cpp
index 517ae792..2d77399d 100644
--- a/src/gui/control/tree_list.cpp
+++ b/src/gui/control/tree_list.cpp
@@ -138,7 +138,7 @@ TreeList::TreeList(Window* parent, int id, long style)
 void TreeList::onPaint(wxPaintEvent& ev) {
   wxBufferedPaintDC dc(this);
   size_t cols = columnCount();
-  wxRendererNative& rn = wxRendererNative::GetDefault();
+  //wxRendererNative& rn = wxRendererNative::GetDefault();
   // clear background
   wxSize cs = GetClientSize();
   dc.SetPen(*wxTRANSPARENT_PEN);
@@ -149,11 +149,13 @@ void TreeList::onPaint(wxPaintEvent& ev) {
   // draw header
   dc.SetFont(*wxNORMAL_FONT);
   dc.SetTextForeground(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNTEXT));
+  dc.SetPen(lerp(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW),
+                 wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT),0.4));
   int x = 0, y = 0;
   for (size_t j = 0 ; j < cols ; ++j) {
     int w = columnWidth(j);
-    wxRect rect(x,0,w-1,header_height-1);
-    rn.DrawHeaderButton(this, dc, rect);
+    wxRect rect(x,0,w-1,header_height-1);
+    if (j>0) dc.DrawLine(x-1,2,x-1,header_height-2); //rn.DrawHeaderButton(this, dc, rect);
     dc.DrawText(columnText(j),x+3,2);
     x += w;
   }
@@ -183,9 +185,16 @@ void TreeList::onPaint(wxPaintEvent& ev) {
       dc.DrawLine(8 + level_width*item.level,y,8 + level_width*item.level,y+item_height/2+1);
     }
     // draw expand button
-    if (hasChildren(i)) {
-      wxRect rect(x - 13, y + (item_height - 9)/2, 9, 9);
-      rn.DrawTreeItemButton(this, dc, rect, item.expanded ? wxCONTROL_EXPANDED : 0);
+    if (hasChildren(i)) {
+      int left = x - 13, top = y + (item_height - 9)/2;
+      wxRect rect(left, top, 9, 9);
+      dc.SetPen(lerp(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW),
+                     wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOWTEXT),0.4));
+      dc.SetBrush(wxSystemSettings::GetColour(wxSYS_COLOUR_BTNFACE));
+      dc.DrawRectangle(rect);
+      dc.DrawLine(left+2,top+4,left+7,top+4);
+      if (!item.expanded) dc.DrawLine(left+4,top+2,left+4,top+7);
+      //rn.DrawTreeItemButton(this, dc, rect, item.expanded ? wxCONTROL_EXPANDED : 0);
     }
     if (selection == i) {
       dc.SetPen(*wxTRANSPARENT_PEN);
diff --git a/src/gui/control/tree_list.hpp b/src/gui/control/tree_list.hpp
index 1b109529..4545b9d8 100644
--- a/src/gui/control/tree_list.hpp
+++ b/src/gui/control/tree_list.hpp
@@ -44,8 +44,8 @@ public:
     size_t position; // NOTHING if invisible, otherwise the line the item is on
     UInt   lines;    // lines in front of this item (bit set)
   };
-  typedef intrusive_ptr<Item> ItemP;
-  
+  typedef intrusive_ptr<Item> ItemP;
+
 protected:
   
   /// The items in the tree list
@@ -68,7 +68,7 @@ protected:
   virtual int    columnWidth(size_t column) const = 0;
   
   int    item_height;
-  static const int header_height = 17;
+  static const int header_height = 21;
   static const int level_width   = 17;
   
 private:
diff --git a/src/gui/downloadable_installers.hpp b/src/gui/downloadable_installers.hpp
new file mode 100644
index 00000000..53c3c6a3
--- /dev/null
+++ b/src/gui/downloadable_installers.hpp
@@ -0,0 +1,160 @@
+//+----------------------------------------------------------------------------+
+//| Description:  Magic Set Editor - Program to make card games                |
+//| Copyright:    (C) Twan van Laarhoven and the other MSE developers          |
+//| License:      GNU General Public License 2 or later (see file COPYING)     |
+//+----------------------------------------------------------------------------+
+
+// ----------------------------------------------------------------------------- : Includes
+
+#include <util/prec.hpp>
+#include <data/installer.hpp>
+#include <util/io/package_manager.hpp>
+#include <gui/packages_window.hpp>
+#include <wx/wfstream.h>
+#include <wx/webrequest.h>
+
+class DownloadableInstallerList;
+
+// ----------------------------------------------------------------------------- : DownloadableInstallers
+
+/// The global installer downloader
+extern DownloadableInstallerList downloadable_installers;
+
+/// Handle downloading of installers
+class DownloadableInstallerList {
+public:
+  inline DownloadableInstallerList() : download_status(NOT_DOWNLOADED), check_status(NOT_CHECKED), shown_dialog(false) {}
+
+  /// Check for updates if the settings say so
+  inline void check_updates() {
+    settings.check_updates_counter++;
+    if (
+         (settings.check_updates_when == CHECK_ALWAYS)
+      || (settings.check_updates_when == CHECK_5  && settings.check_updates_counter > 4)
+      || (settings.check_updates_when == CHECK_10 && settings.check_updates_counter > 9)
+      ) {
+      settings.check_updates_counter = 0;
+      check_updates_now();
+    }
+  }
+  /// Check for updates
+  /// If async==true then checking is done in another thread
+  inline void check_updates_now(bool async = true) {
+    if (async) {
+      CheckUpdateThread* thread = new CheckUpdateThread;
+      thread->Create();
+      thread->Run();
+    } else {
+      CheckUpdateThread::Work();
+    }
+  }
+
+  /// Start downloading the list of updates, return true if we are done
+  inline bool download() {
+    if (download_status == DONE) return true;
+    if (download_status == NOT_DOWNLOADED) {
+      download_status = DOWNLOADING;
+      DownloadThread* thread = new DownloadThread();
+      thread->Create();
+      thread->Run();
+    }
+    return false;
+  }
+
+  /// Show a dialog to inform the user that updates are available (if there are any)
+  /// Call check_updates first. Call this function from an onIdle loop
+  inline void show_update_dialog(Window* parent) {
+    if (shown_dialog || check_status != FOUND) return; // we already have the latest version, or this has already been displayed.
+    shown_dialog = true;
+    wxMessageDialog dial = wxMessageDialog(parent, _LABEL_("updates found"), _TITLE_("updates available"), wxYES_NO);
+    if (dial.ShowModal() == wxID_YES) {
+      (new PackagesWindow(parent))->Show();
+    }
+  }
+
+  // Have we shown the update dialog?
+  bool shown_dialog;
+
+  vector<DownloadableInstallerP> installers;
+
+  enum DownloadStatus { NOT_DOWNLOADED, DOWNLOADING, DONE } download_status;
+  enum CheckStatus    { NOT_CHECKED, CHECKING, FAILED, FOUND, NOT_FOUND } check_status;
+private:
+  wxMutex lock;
+
+  struct DownloadThread : public wxThread {
+    inline ExitCode Entry() override {
+      // fetch list
+      wxWebRequestSync request = wxWebSessionSync::GetDefault().CreateRequest(settings.installer_list_url);
+      auto const result = request.Execute();
+      if (!result) {
+        wxMutexLocker l(downloadable_installers.lock);
+        downloadable_installers.download_status = DONE;
+        downloadable_installers.check_status = FAILED;
+        return 0;
+      }
+      wxInputStream* is = request.GetResponse().GetStream();
+      // Read installer list
+      Reader reader(*is, nullptr, _("installers"), true);
+      vector<DownloadableInstallerP> installers;
+      reader.handle(_("installers"),installers);
+      // done
+      wxMutexLocker l(downloadable_installers.lock);
+      swap(installers, downloadable_installers.installers);
+      downloadable_installers.download_status = DONE;
+      return 0;
+    }
+  };
+
+  struct CheckUpdateThread : public wxThread {
+  public:
+    inline void* Entry() override {
+#ifndef __APPLE__
+      Work();
+#endif
+      return 0;
+    }
+
+    inline static void Work() {
+      if (downloadable_installers.check_status > NOT_CHECKED) return; // don't check multiple times simultaneously
+      downloadable_installers.check_status = CHECKING;
+      try {
+        while (!downloadable_installers.download()) {
+          wxMilliSleep(30);
+        }
+        if (downloadable_installers.check_status == FAILED) return;
+        InstallablePackages installable_packages;
+        FOR_EACH(inst, downloadable_installers.installers) {
+          merge(installable_packages, inst);
+        }
+        FOR_EACH(p, installable_packages) {
+          if (p->description->name == mse_package && app_version < p->description->version) {
+            downloadable_installers.check_status = FOUND;
+            return;
+          }
+          Version v;
+          if (package_manager.installedVersion(p->description->name, v) && v < p->description->version) {
+            if (
+                 (settings.check_updates_what == CHECK_EVERYTHING)
+              || (settings.check_updates_what == CHECK_GAMES && (  p->description->name.EndsWith("mse-updater")
+                                                                || p->description->name.EndsWith("mse-locale")
+                                                                || p->description->name.EndsWith("mse-game")
+                                                                || p->description->name.EndsWith("mse-include")
+                                                                || p->description->name.EndsWith("mse-style")
+                                                                || p->description->name.EndsWith("mse-symbol-font")))
+              || (settings.check_updates_what == CHECK_APP   && (  p->description->name.EndsWith("mse-updater")
+                                                                || p->description->name.EndsWith("mse-locale")))
+            )
+            downloadable_installers.check_status = FOUND;
+            return;
+          }
+        }
+        downloadable_installers.check_status = NOT_FOUND;
+      } catch (...) {
+        // ignore all errors, we don't want problems if update checking fails
+        downloadable_installers.check_status = FAILED;
+      }
+    }
+  };
+};
+
diff --git a/src/gui/package_update_list.cpp b/src/gui/package_update_list.cpp
index fc485963..11b5f423 100644
--- a/src/gui/package_update_list.cpp
+++ b/src/gui/package_update_list.cpp
@@ -11,7 +11,7 @@
 #include <gui/thumbnail_thread.hpp>
 #include <gui/util.hpp>
 #include <gfx/gfx.hpp>
-#include <wx/url.h>
+#include <wx/webrequest.h>
 
 // ----------------------------------------------------------------------------- : PackageUpdateList::TreeItem
 
@@ -85,12 +85,14 @@ PackageUpdateList::TreeItem::PackageType PackageUpdateList::TreeItem::package_ty
   if (desc.name == mse_package)                           return TYPE_PROG;
   size_t pos = desc.name.find_last_of(_('.'));
   if (pos == String::npos)                                return TYPE_OTHER;
-  if (is_substr(desc.name,pos,_(".mse-locale")))          return TYPE_LOCALE;
-  if (is_substr(desc.name,pos,_(".mse-game")))            return TYPE_GAME;
   if (is_substr(desc.name,pos,_(".mse-style")))           return TYPE_STYLESHEET;
-  if (is_substr(desc.name,pos,_(".mse-export-template"))) return TYPE_EXPORT_TEMPLATE;
   if (is_substr(desc.name,pos,_(".mse-symbol-font")))     return TYPE_SYMBOL_FONT;
+  if (is_substr(desc.name,pos,_(".mse-game")))            return TYPE_GAME;
+  if (is_substr(desc.name,pos,_(".mse-locale")))          return TYPE_LOCALE;
+  if (is_substr(desc.name,pos,_(".mse-export-template"))) return TYPE_EXPORT_TEMPLATE;
+  if (is_substr(desc.name,pos,_(".mse-import-template"))) return TYPE_IMPORT_TEMPLATE;
   if (is_substr(desc.name,pos,_(".mse-include")))         return TYPE_INCLUDE;
+  if (is_substr(desc.name,pos,_(".mse-updater")))         return TYPE_PROG;
   if (is_substr(desc.name,pos,_(".ttf")))                 return TYPE_FONT;
   return TYPE_OTHER;
 }
@@ -164,13 +166,17 @@ public:
     , list(list), ti(ti)
   {}
   
-  Image generate() override {
-    wxURL url(settings.darkMode() && !ti->package->description->dark_icon_url.empty() ? ti->package->description->dark_icon_url : ti->package->description->icon_url);
-    unique_ptr<wxInputStream> isP(url.GetInputStream());
-    if (!isP) return wxImage();
-    SeekAtStartInputStream is2(*isP);
-    Image result(is2);
-    return result;
+  Image generate() override {
+    String url(settings.darkMode() && !ti->package->description->dark_icon_url.empty() ? ti->package->description->dark_icon_url : ti->package->description->icon_url);
+    wxWebRequestSync request = wxWebSessionSync::GetDefault().CreateRequest(url);
+    auto const result = request.Execute();
+    if (!result) return Image();
+    wxInputStream* is(request.GetResponse().GetStream());
+    if (!is) return Image();
+    Image img(*is);
+    if (!img.IsOk()) return Image();
+    ti->setIcon(img);
+    return img;
   }
   void store(const Image& image) override {
     if (!image.Ok()) return;
@@ -247,7 +253,7 @@ void PackageUpdateList::drawItem(DC& dc, size_t index, size_t column, int x, int
     dc.DrawText(capitalize_sentence(ti.label), x+17, y);
   } else if (column == 1 && ti.package) {
     // Status
-    InstallablePackage& package = *ti.package;
+    InstallablePackage& package = *ti.package;
     if (package.has(PACKAGE_CONFLICTS)) {
       dc.SetTextForeground(lerp(color,Color(255,0,0),0.8));
       dc.DrawText(_LABEL_("package conflicts"), x,y);
@@ -255,7 +261,7 @@ void PackageUpdateList::drawItem(DC& dc, size_t index, size_t column, int x, int
       dc.SetTextForeground(lerp(color,Color(255,255,0),0.5));
       dc.DrawText(_LABEL_("package modified"), x,y);
     } else if (package.has(PACKAGE_UPDATES)) {
-      dc.SetTextForeground(lerp(color,Color(0,0,255),0.5));
+      dc.SetTextForeground(lerp(color,settings.darkMode() ? Color(80,80,255) : Color(0,0,255),0.5));
       dc.DrawText(_LABEL_("package updates"), x,y);
     } else if (package.has(PACKAGE_INSTALLED)) {
       dc.SetTextForeground(color);
@@ -265,15 +271,20 @@ void PackageUpdateList::drawItem(DC& dc, size_t index, size_t column, int x, int
       dc.SetTextForeground(color);
       dc.DrawText(_LABEL_("package installable"), x,y);
     }
+  } else if (column == 1 && !ti.expanded) {
+    if (CheckChildrenForUpdates(ti)) {
+      dc.SetTextForeground(lerp(color, settings.darkMode() ? Color(80, 80, 255) : Color(0, 0, 255), 0.5));
+      dc.DrawText(_LABEL_("package updates"), x, y);
+    }
   } else if (column == 2 && ti.package) {
     // Action
     InstallablePackage& package = *ti.package;
     if (package.has(PACKAGE_ACT_INSTALL)) {
       if (package.has(PACKAGE_UPDATES)) {
-        dc.SetTextForeground(lerp(color,Color(0,0,255),0.6));
+        dc.SetTextForeground(lerp(color,settings.darkMode() ? Color(80,80,255) : Color(0,0,255),0.6));
         dc.DrawText(_LABEL_("upgrade package"), x,y);
       } else if (package.has(PACKAGE_INSTALLED)) {
-        dc.SetTextForeground(lerp(color,Color(0,0,255),0.2));
+        dc.SetTextForeground(lerp(color,settings.darkMode() ? Color(80,80,255) : Color(0,0,255),0.2));
         dc.DrawText(_LABEL_("reinstall package"), x,y);
       } else {
         dc.SetTextForeground(lerp(color,Color(0,255,0),0.6));
@@ -286,6 +297,14 @@ void PackageUpdateList::drawItem(DC& dc, size_t index, size_t column, int x, int
   }
 }
 
+bool PackageUpdateList::CheckChildrenForUpdates(const TreeItem& ti) const {
+  for (auto& c : ti.children) {
+    if (c->package && c->package->has(PACKAGE_UPDATES)) return true;
+    if (CheckChildrenForUpdates(*c)) return true;
+  }
+  return false;
+}
+
 String PackageUpdateList::columnText(size_t column) const {
   if       (column == 0) return _LABEL_("package name");
   else if  (column == 1) return _LABEL_("package status");
@@ -296,9 +315,9 @@ String PackageUpdateList::columnText(size_t column) const {
 int PackageUpdateList::columnWidth(size_t column) const {
   if (column == 0) {
     wxSize cs = GetClientSize();
-    return cs.x - 240;
+    return cs.x - 280;
   } else {
-    return 120;
+    return 140;
   }
 }
 
diff --git a/src/gui/package_update_list.hpp b/src/gui/package_update_list.hpp
index e0decdfa..cca35977 100644
--- a/src/gui/package_update_list.hpp
+++ b/src/gui/package_update_list.hpp
@@ -32,7 +32,7 @@ protected:
   // overridden methods from TreeList
   void initItems() override;
   void drawItem(DC& dc, size_t index, size_t column, int x, int y, bool selected) const override;
-  
+
   size_t columnCount() const override { return 3; }
   String columnText(size_t column) const override;
   int    columnWidth(size_t column) const override;
@@ -61,6 +61,7 @@ private:
       TYPE_GAME,
       TYPE_STYLESHEET,
       TYPE_EXPORT_TEMPLATE,
+      TYPE_IMPORT_TEMPLATE,
       TYPE_SYMBOL_FONT,
       TYPE_INCLUDE,
       TYPE_FONT,
@@ -73,8 +74,12 @@ private:
     void setIcon(const Image& image);
     bool highlight() const;
     
-    static PackageType package_type(const PackageDescription& desc);
-  };
+    static PackageType package_type(const PackageDescription& desc);
+
+  };
+
+  bool CheckChildrenForUpdates(const TreeItem& ti) const;
+
   friend class PackageIconRequest;
 };
 
diff --git a/src/gui/packages_window.cpp b/src/gui/packages_window.cpp
index 7ac0822a..572b219a 100644
--- a/src/gui/packages_window.cpp
+++ b/src/gui/packages_window.cpp
@@ -9,91 +9,24 @@
 #include <util/prec.hpp>
 #include <gui/packages_window.hpp>
 #include <gui/package_update_list.hpp>
+#include <gui/downloadable_installers.hpp>
 #include <gui/util.hpp>
 #include <util/io/package_manager.hpp>
 #include <util/window_id.hpp>
 #include <data/installer.hpp>
+#include <data/updater.hpp>
 #include <data/settings.hpp>
 #include <gfx/gfx.hpp>
 #include <wx/wfstream.h>
-#include <wx/html/htmlwin.h>
-#include <wx/dialup.h>
-#include <wx/url.h>
+#include <wx/webrequest.h>
 #include <wx/dcbuffer.h>
 #include <wx/progdlg.h>
-#include <wx/tglbtn.h>
+#include <wx/tglbtn.h>
+#include <wx/stdpaths.h>
 
 DECLARE_POINTER_TYPE(Installer);
 
-// ----------------------------------------------------------------------------- : TODO: MOVE
-
-/*
-// A HTML control that opens all pages in an actual browser
-struct HtmlWindowToBrowser : public wxHtmlWindow {
-  HtmlWindowToBrowser(Window* parent, int id, const wxPoint& pos, const wxSize& size, long flags)
-    : wxHtmlWindow(parent, id, pos, size, flags)
-  {}
-    
-  virtual void OnLinkClicked(const wxHtmlLinkInfo& info) {
-    wxLaunchDefaultBrowser( info.GetHref() );
-  }
-};
-*/
-
-// ----------------------------------------------------------------------------- : DownloadableInstallers
-
-/// Handle downloading of installers
-class DownloadableInstallerList {
-public:
-  DownloadableInstallerList() : status(NONE) {}
-  
-  /// start downloading, return true if we are done
-  bool download();
-  
-  vector<DownloadableInstallerP> installers;
-  
-private:
-  enum Status { NONE, DOWNLOADING, DONE } status;
-  wxMutex lock;
-  
-  struct Thread : public wxThread {
-    ExitCode Entry() override;
-  };
-};
-
-/// The global installer downloader
-DownloadableInstallerList downloadable_installers;
-
-bool DownloadableInstallerList::download() {
-  if (status == DONE) return true;
-  if (status == NONE) {
-    status = DOWNLOADING;
-    Thread* thread = new Thread();
-    thread->Create();
-    thread->Run();
-  }
-  return false;
-}
-
-wxThread::ExitCode DownloadableInstallerList::Thread::Entry() {
-  // open url
-  wxURL url(settings.installer_list_url);
-  unique_ptr<wxInputStream> stream(url.GetInputStream());
-  if (!stream) {
-    wxMutexLocker l(downloadable_installers.lock);
-    downloadable_installers.status = DONE;
-    return 0;
-  }
-  // Read installer list
-  Reader reader(*stream, nullptr, _("installers"), true);
-  vector<DownloadableInstallerP> installers;
-  reader.handle(_("installers"),installers);
-  // done
-  wxMutexLocker l(downloadable_installers.lock);
-  swap(installers, downloadable_installers.installers);
-  downloadable_installers.status = DONE;
-  return 0;
-}
+DownloadableInstallerList downloadable_installers;
 
 // ----------------------------------------------------------------------------- : PackageInfoPanel
 
@@ -237,7 +170,9 @@ void PackagesWindow::init(Window* parent, bool show_only_installable) {
   SetIcon(wxIcon());
   package_list = new PackageUpdateList(this, installable_packages, show_only_installable, ID_PACKAGE_LIST);
   package_info = new PackageInfoPanel(this);
-  
+
+  waiting_info = new wxStaticText(this, wxID_ANY, waiting_for_list ? _LABEL_("awaiting package list") : _(""));
+
   wxToggleButton* keep_button    = new wxToggleButton(this, ID_KEEP,    _BUTTON_("keep package"));
   wxToggleButton* install_button = new wxToggleButton(this, ID_INSTALL, _BUTTON_("install package"));
   wxToggleButton* remove_button  = new wxToggleButton(this, ID_REMOVE,  _BUTTON_("remove package"));
@@ -262,8 +197,13 @@ void PackagesWindow::init(Window* parent, bool show_only_installable) {
         v2->Add(remove_button,  0, wxEXPAND | wxBOTTOM, 0);
       h->Add(v2);
     v->Add(h, 0, wxEXPAND | (wxALL & ~wxTOP), 8);
-    v->Add(CreateButtonSizer(wxOK | wxCANCEL), 0, wxEXPAND | (wxALL & ~wxTOP), 8);
-  SetSizer(v);
+    wxBoxSizer* h2 = new wxBoxSizer(wxHORIZONTAL);
+      h2->Add(waiting_info, 0, wxEXPAND | (wxALL & ~wxTOP), 8);
+      h2->AddStretchSpacer();
+      h2->Add(CreateButtonSizer(wxOK | wxCANCEL), 0, wxEXPAND | (wxALL & ~wxTOP), 8);
+    v->Add(h2, 0, wxEXPAND);
+  v->SetMinSize(800,600);
+  SetSizerAndFit(v);
   
   wxUpdateUIEvent::SetMode(wxUPDATE_UI_PROCESS_SPECIFIED);
   UpdateWindowUI(wxUPDATE_UI_RECURSE);
@@ -293,13 +233,17 @@ void PackagesWindow::onActionChange(wxCommandEvent& ev) {
 }
 
 void PackagesWindow::onOk(wxCommandEvent& ev) {
-  // Do we need a new version of MSE first?
-  // count number of packages to change
+  // count number of packages to change
+  bool app_change = false;
   int to_change   = 0;
   int to_download = 0;
   int to_remove   = 0;
   int with_modifications = 0;
-  FOR_EACH(ip, installable_packages) {
+  FOR_EACH(ip, installable_packages) {
+    if (ip->description->name == mse_package) {
+      if (ip->has(PACKAGE_ACT_INSTALL)) app_change = true;
+      continue;
+    } 
     if (!ip->has(PACKAGE_ACT_NOTHING)) ++to_change;
     if (ip->has(PACKAGE_ACT_INSTALL) && ip->installer && !ip->installer->installer) ++to_download;
     if (ip->has(PACKAGE_ACT_REMOVE)) {
@@ -322,28 +266,30 @@ void PackagesWindow::onOk(wxCommandEvent& ev) {
   }
   // progress dialog
   wxProgressDialog progress(
-      _TITLE_("installing updates"),
-      String::Format(_ERROR_("downloading updates"), 0, to_download),
-      to_change + to_download,
-      this,
-      wxPD_AUTO_HIDE | wxPD_APP_MODAL | wxPD_CAN_ABORT | wxPD_SMOOTH
-    );
+    _TITLE_("installing updates"),
+    String::Format(_ERROR_("downloading updates"), 0, to_download),
+    to_change + to_download,
+    this,
+    wxPD_AUTO_HIDE | wxPD_APP_MODAL | wxPD_CAN_ABORT | wxPD_SMOOTH | wxSTAY_ON_TOP
+  );
   // Clear package list
   package_manager.reset();
   // Download installers
   int package_pos = 0, step = 0;
-  FOR_EACH(ip, installable_packages) {
+  FOR_EACH(ip, installable_packages) {
+    if (ip->description->name == mse_package) continue;
     if (ip->has(PACKAGE_ACT_INSTALL) && ip->installer && !ip->installer->installer) {
       if (!progress.Update(step++, String::Format(_ERROR_("downloading updates"), ++package_pos, to_download))) {
         return; // aborted
       }
-      // download installer
-      wxURL url(ip->installer->installer_url);
-      unique_ptr<wxInputStream> is(url.GetInputStream());
-      if (!is) {
+      // download installer
+      wxWebRequestSync request = wxWebSessionSync::GetDefault().CreateRequest(ip->installer->installer_url);
+      auto const result = request.Execute();
+      if (!result) {
         throw Error(_ERROR_2_("can't download installer", ip->description->name, ip->installer->installer_url));
-      }
-      ip->installer->installer_file = wxFileName::CreateTempFileName(_("mse-installer"));
+      } 
+      wxInputStream* is(request.GetResponse().GetStream());
+      ip->installer->installer_file = wxFileName::CreateTempFileName(_("mse-installer"));
       wxFileOutputStream os(ip->installer->installer_file);
       os.Write(*is);
       os.Close();
@@ -355,7 +301,8 @@ void PackagesWindow::onOk(wxCommandEvent& ev) {
   // Install stuff
   package_pos = 0;
   int success = 0, install = 0, remove = 0;
-  FOR_EACH(ip, installable_packages) {
+  FOR_EACH(ip, installable_packages) {
+    if (ip->description->name == mse_package) continue; // app, we'll do that last
     if (ip->has(PACKAGE_ACT_NOTHING)) continue; // package unchanged
     if (!progress.Update(step++, String::Format(_ERROR_("installing updates"), ++package_pos, to_change))) {
       // don't allow abort.
@@ -367,13 +314,52 @@ void PackagesWindow::onOk(wxCommandEvent& ev) {
       success += 1;
     }
   }
-  // Done
-  progress.Update(step++);
-  wxMessageBox(
-    install == success ? _ERROR_1_("install packages successful",String()<<success):
-    remove  == success ? _ERROR_1_("remove packages successful", String()<<success):
-                         _ERROR_1_("change packages successful", String()<<success),
-    _TITLE_("packages window"), wxICON_INFORMATION | wxOK);
+  // Report on package status
+  progress.Update(step++);
+  String report_message = install == success ? _ERROR_1_("install packages successful",String()<<success):
+                          remove  == success ? _ERROR_1_("remove packages successful", String()<<success):
+                                               _ERROR_1_("change packages successful", String()<<success);
+  wxMessageDialog report = wxMessageDialog(this, report_message, _TITLE_("packages window"), wxICON_INFORMATION | wxOK | wxSTAY_ON_TOP);
+  report.ShowModal();
+  // Launch exe updater if necessary
+  if (app_change) {
+    // Hard code the only updater, for now
+    PackagedP updater_package = package_manager.openAny(_("github-zip-extractor.mse-updater"));
+    if (updater_package) {
+      Updater* updater = dynamic_cast<Updater*>(updater_package.get());
+      if (updater) {
+        String darkmode = String("darkmode") << settings.darkMode();
+        String locale   = String("locale")   << settings.locale;
+        locale.Replace("-", "");
+        updater->updateApplication(darkmode + _(" ") + locale);
+      }
+      else {
+        queue_message(MESSAGE_ERROR, _("Failed to load updater package 'github-zip-extractor.mse-updater'."));
+      }
+    }
+    else {
+      queue_message(MESSAGE_ERROR, _("Failed to load updater package 'github-zip-extractor.mse-updater'."));
+    }
+    
+    // Check for any updater, for later (very slow)
+    //vector<InstallablePackageP> installed_packages;
+    //package_manager.findAllInstalledPackages(installed_packages);
+    //FOR_EACH(p, installed_packages) {
+    //  if (!p->description->name.EndsWith(".mse-updater")) continue;
+    //  PackagedP updater_package = package_manager.openAny(p->description->name);
+    //  Updater* updater = dynamic_cast<Updater*>(updater_package.get());
+    //  if (updater) {
+    //    String darkmode = String("darkmode") << settings.darkMode();
+    //    String locale   = String("locale")   << settings.locale;
+    //    locale.Replace("-", "");
+    //    updater->updateApplication(darkmode + _(" ") + locale);
+    //    break;
+    //  }
+    //  else {
+    //    queue_message(MESSAGE_ERROR, _("Failed to load updater package '" + p->description->name + "'."));
+    //  }
+    //}
+  }
   // Continue event propagation into the dialog window so that it closes.
   ev.Skip();
   //%% TODO: will we delete packages?
@@ -393,9 +379,9 @@ void PackagesWindow::onUpdateUI(wxUpdateUIEvent& ev) {
     case ID_INSTALL:
       w->SetValue(package && package->has(PACKAGE_ACT_INSTALL | where));
       w->Enable  (package && package->can(PACKAGE_ACT_INSTALL | where));
-      w->SetLabel( !package || !package->installed ? _BUTTON_("install package")
-                 :  package->has(PACKAGE_UPDATES)  ? _BUTTON_("upgrade package")
-                 :                                   _BUTTON_("reinstall package"));
+      w->SetLabel(!(package && package->installed)            ? _BUTTON_("install package")
+                 : (package && package->has(PACKAGE_UPDATES)) ? _BUTTON_("upgrade package")
+                 :                                              _BUTTON_("reinstall package"));
       break;
     case ID_REMOVE:
       w->SetValue(package && package->has(PACKAGE_ACT_REMOVE  | where));
@@ -407,7 +393,8 @@ void PackagesWindow::onUpdateUI(wxUpdateUIEvent& ev) {
 }
 
 void PackagesWindow::onIdle(wxIdleEvent& ev) {
-  ev.RequestMore(!checkInstallerList());
+  ev.RequestMore(!checkInstallerList());
+  if (waiting_info && !waiting_for_list) waiting_info->SetLabel(_(""));
 }
 
 bool PackagesWindow::checkInstallerList(bool refresh) {
@@ -429,12 +416,12 @@ bool PackagesWindow::checkInstallerList(bool refresh) {
 }
 
 BEGIN_EVENT_TABLE(PackagesWindow, wxDialog)
-  EVT_LISTBOX(ID_PACKAGE_LIST, PackagesWindow::onPackageSelect)
-  EVT_TOGGLEBUTTON(ID_KEEP,     PackagesWindow::onActionChange)
-  EVT_TOGGLEBUTTON(ID_INSTALL,  PackagesWindow::onActionChange)
-  EVT_TOGGLEBUTTON(ID_REMOVE,   PackagesWindow::onActionChange)
-  EVT_TOGGLEBUTTON(ID_UPGRADE,  PackagesWindow::onActionChange)
-  EVT_BUTTON(wxID_OK,     PackagesWindow::onOk)
-  EVT_UPDATE_UI(wxID_ANY, PackagesWindow::onUpdateUI)
-  EVT_IDLE  (             PackagesWindow::onIdle)
+  EVT_LISTBOX     (ID_PACKAGE_LIST, PackagesWindow::onPackageSelect)
+  EVT_TOGGLEBUTTON(ID_KEEP,         PackagesWindow::onActionChange)
+  EVT_TOGGLEBUTTON(ID_INSTALL,      PackagesWindow::onActionChange)
+  EVT_TOGGLEBUTTON(ID_REMOVE,       PackagesWindow::onActionChange)
+  EVT_TOGGLEBUTTON(ID_UPGRADE,      PackagesWindow::onActionChange)
+  EVT_BUTTON      (wxID_OK,         PackagesWindow::onOk)
+  EVT_UPDATE_UI   (wxID_ANY,        PackagesWindow::onUpdateUI)
+  EVT_IDLE        (                 PackagesWindow::onIdle)
 END_EVENT_TABLE()
diff --git a/src/gui/packages_window.hpp b/src/gui/packages_window.hpp
index 996b8189..7333642c 100644
--- a/src/gui/packages_window.hpp
+++ b/src/gui/packages_window.hpp
@@ -28,6 +28,7 @@ public:
 private:
   PackageUpdateList* package_list; ///< List of available packages
   PackageInfoPanel*  package_info; ///< Description of the selected package
+  wxStaticText*      waiting_info; ///< Did we get the list of installers?
   
   /// List of the packages shown in this window
   InstallablePackages installable_packages;
diff --git a/src/gui/preferences_window.cpp b/src/gui/preferences_window.cpp
index 802de1e4..6de24cc4 100644
--- a/src/gui/preferences_window.cpp
+++ b/src/gui/preferences_window.cpp
@@ -8,10 +8,11 @@
 
 #include <util/prec.hpp>
 #include <gui/preferences_window.hpp>
-#include <gui/update_checker.hpp>
 #include <data/settings.hpp>
 #include <util/window_id.hpp>
 #include <util/io/package_manager.hpp>
+#include <gui/packages_window.hpp>
+#include <gui/downloadable_installers.hpp>
 #include <wx/spinctrl.h>
 #include <wx/filename.h>
 #include <wx/notebook.h>
@@ -97,9 +98,10 @@ public:
   
 private:
   DECLARE_EVENT_TABLE();
-  
-  wxChoice* check_at_startup;
-  
+
+  wxChoice* check_what;
+  wxChoice* check_when;
+
   // check for updates
   void onCheckUpdatesNow(wxCommandEvent&);
 };
@@ -401,37 +403,51 @@ UpdatePreferencesPage::UpdatePreferencesPage(Window* parent)
   : PreferencesPage(parent)
 {
   // init controls
-  check_at_startup    = new wxChoice(this, wxID_ANY);
+  check_what          = new wxChoice(this, wxID_ANY);
+  check_when          = new wxChoice(this, wxID_ANY);
   wxButton* check_now = new wxButton(this, ID_CHECK_UPDATES_NOW, _BUTTON_("check now"));
   // set values
-  check_at_startup->Append(_BUTTON_("always"));                        // 0
-  check_at_startup->Append(_BUTTON_("if internet connection exists")); // 1
-  check_at_startup->Append(_BUTTON_("never"));                         // 2
-  check_at_startup->SetSelection(settings.check_updates);
+  check_when->Append(_BUTTON_("always"));            // 0
+  check_when->Append(_BUTTON_("every 5 startups"));  // 1
+  check_when->Append(_BUTTON_("every 10 startups")); // 2
+  check_when->Append(_BUTTON_("never"));             // 3
+  check_when->SetSelection(settings.check_updates_when);
+  check_what->Append(_BUTTON_("check app"));         // 0
+  check_what->Append(_BUTTON_("check games"));       // 1
+  check_what->Append(_BUTTON_("check everything"));  // 2
+  check_what->SetSelection(settings.check_updates_what);
   // init sizer
   wxSizer* s = new wxBoxSizer(wxVERTICAL);
-    s->Add(new wxStaticText(this, wxID_ANY, _LABEL_("check at startup")), 0, wxALL, 8);
-    s->Add(check_at_startup, 0, wxALL & ~wxTOP, 8);
-    s->Add(check_now,        0, wxALL & ~wxTOP, 8);
-    s->Add(new wxStaticText(this, wxID_ANY, _LABEL_("checking requires internet")), 0, wxALL & ~wxTOP, 8);
+    s->Add(new wxStaticText(this, wxID_ANY, _LABEL_("check at startup")),           0, wxALL, 8);
+    s->Add(check_when,                                                              0, wxALL & ~wxTOP, 8);
+    s->Add(check_now,                                                               0, wxALL & ~wxTOP, 8);
+    s->Add(new wxStaticText(this, wxID_ANY, _LABEL_("check what targets")),         0, wxALL, 8);
+    s->Add(check_what,                                                              0, wxALL & ~wxTOP, 8);
+    s->Add(new wxStaticText(this, wxID_ANY, _LABEL_("checking requires internet")), 0, wxALL, 8);
   SetSizer(s);
 }
 
 void UpdatePreferencesPage::store() {
-  int sel = check_at_startup->GetSelection();
-  if      (sel == 0) settings.check_updates = CHECK_ALWAYS;
-  else if (sel == 1) settings.check_updates = CHECK_IF_CONNECTED;
-  else               settings.check_updates = CHECK_NEVER;
+  int sel1 = check_when->GetSelection();
+  if      (sel1 == 0) settings.check_updates_when = CHECK_ALWAYS;
+  else if (sel1 == 1) settings.check_updates_when = CHECK_5;
+  else if (sel1 == 2) settings.check_updates_when = CHECK_10;
+  else                settings.check_updates_when = CHECK_NEVER;
+
+  int sel2 = check_what->GetSelection();
+  if      (sel2 == 0) settings.check_updates_what = CHECK_APP;
+  else if (sel2 == 1) settings.check_updates_what = CHECK_GAMES;
+  else                settings.check_updates_what = CHECK_EVERYTHING;
 }
 
 void UpdatePreferencesPage::onCheckUpdatesNow(wxCommandEvent&) {
-  check_updates_now(false);
-  if (!update_data_found()) {
+  downloadable_installers.check_updates_now(false);
+  if (downloadable_installers.check_status == DownloadableInstallerList::CheckStatus::FAILED) {
     wxMessageBox(_ERROR_("checking updates failed"), _TITLE_("update check"), wxICON_ERROR | wxOK);
-  } else if (!update_available()) {
+  } else if (downloadable_installers.check_status == DownloadableInstallerList::CheckStatus::NOT_FOUND) {
     wxMessageBox(_ERROR_("no updates"),              _TITLE_("update check"), wxICON_INFORMATION | wxOK);
   } else {
-    show_update_dialog(GetParent());
+    (new PackagesWindow(GetParent()))->Show();
   }
 }
 
diff --git a/src/gui/set/cards_panel.cpp b/src/gui/set/cards_panel.cpp
index 6259313c..c8840aba 100644
--- a/src/gui/set/cards_panel.cpp
+++ b/src/gui/set/cards_panel.cpp
@@ -13,7 +13,6 @@
 #include <gui/control/text_ctrl.hpp>
 #include <gui/control/filter_ctrl.hpp>
 #include <gui/about_window.hpp> // for HoverButton
-#include <gui/update_checker.hpp>
 #include <gui/util.hpp>
 #include <data/set.hpp>
 #include <data/game.hpp>
diff --git a/src/gui/set/window.cpp b/src/gui/set/window.cpp
index 626fbc1c..2b0017ce 100644
--- a/src/gui/set/window.cpp
+++ b/src/gui/set/window.cpp
@@ -20,8 +20,8 @@
 #include <gui/control/card_viewer.hpp>
 #include <gui/control/gallery_list.hpp>
 #include <gui/about_window.hpp>
-#include <gui/update_checker.hpp>
 #include <gui/packages_window.hpp>
+#include <gui/downloadable_installers.hpp>
 #include <gui/new_window.hpp>
 #include <gui/preferences_window.hpp>
 #include <gui/print_window.hpp>
@@ -62,13 +62,13 @@ SetWindow::SetWindow(Window* parent, const SetP& set)
     add_menu_item_tr(menuFile, ID_FILE_SAVE_AS_DIRECTORY, "save", "save_set_as_directory");
     add_menu_item_tr(menuFile, wxID_ANY, "export", "export", wxITEM_NORMAL, makeExportMenu());
     menuFile->AppendSeparator();
-    add_menu_item_tr(menuFile, ID_FILE_CHECK_UPDATES, settings.darkModePrefix() + "check_updates", "check_updates");
+    add_menu_item_tr(menuFile, ID_FILE_CHECK_UPDATES, "check_updates", "check_updates");
     #if USE_SCRIPT_PROFILING
     add_menu_item_tr(menuFile, ID_FILE_PROFILER, nullptr, "show_profiler");
     #endif
 //    menuFile->Append(ID_FILE_INSPECT,          _("Inspect Internal Data..."),  _("Shows a the data in the set using a tree structure"));
 //    menuFile->AppendSeparator();
-    add_menu_item_tr(menuFile, ID_FILE_RELOAD, settings.darkModePrefix() + "reload_data", "reload_data");
+    add_menu_item_tr(menuFile, ID_FILE_RELOAD, "reload_data", "reload_data");
     menuFile->AppendSeparator();
     add_menu_item_tr(menuFile, ID_FILE_PRINT_PREVIEW, "print_preview", "print_preview");
     add_menu_item_tr(menuFile, ID_FILE_PRINT, "print", "print");
@@ -854,7 +854,7 @@ void SetWindow::onMenuOpen(wxMenuEvent& ev) {
 
 void SetWindow::onIdle(wxIdleEvent& ev) {
   // Stuff that must be done in the main thread
-  show_update_dialog(this);
+  downloadable_installers.show_update_dialog(this);
 }
 
 // ----------------------------------------------------------------------------- : Event table
diff --git a/src/gui/update_checker.cpp b/src/gui/update_checker.cpp
deleted file mode 100644
index 13442a4f..00000000
--- a/src/gui/update_checker.cpp
+++ /dev/null
@@ -1,204 +0,0 @@
-//+----------------------------------------------------------------------------+
-//| Description:  Magic Set Editor - Program to make card games                |
-//| Copyright:    (C) Twan van Laarhoven and the other MSE developers          |
-//| License:      GNU General Public License 2 or later (see file COPYING)     |
-//+----------------------------------------------------------------------------+
-
-// ----------------------------------------------------------------------------- : Includes
-
-#include <util/prec.hpp>
-#include <gui/update_checker.hpp>
-#include <gui/packages_window.hpp>
-#include <data/settings.hpp>
-#include <data/installer.hpp>
-#include <util/io/package_manager.hpp>
-#include <util/version.hpp>
-#include <util/window_id.hpp>
-//#include <script/value.hpp> // for some strange reason the profile build needs this :(
-//#include <script/to_value.hpp>
-#include <wx/dialup.h>
-#include <wx/url.h>
-
-DECLARE_POINTER_TYPE(VersionData);
-
-// ----------------------------------------------------------------------------- : Update data
-
-#if !USE_OLD_STYLE_UPDATE_CHECKER
-
-  /// Information on the latest available versions
-  class VersionData : public IntrusivePtrBase<VersionData> {
-  public:
-    vector<PackageDependencyP> packages;  ///< Available packages + versions
-    String  new_updates_url;              ///< updates url has moved?
-    
-    DECLARE_REFLECTION();
-  };
-
-  IMPLEMENT_REFLECTION_NO_SCRIPT(VersionData) {
-    REFLECT_NO_SCRIPT(packages);
-    REFLECT_NO_SCRIPT(new_updates_url);
-  }
-
-#else
-
-  /// Information on the latest available version
-  class VersionData : public IntrusivePtrBase<VersionData> {
-  public:
-    Version version;        ///< Latest version number of MSE
-    String  description;      ///< html description of the latest MSE release
-    String  new_updates_url;    ///< updates url has moved?
-    
-    DECLARE_REFLECTION();
-  };
-
-  IMPLEMENT_REFLECTION(VersionData) {
-    REFLECT(version);
-    REFLECT(description);
-    REFLECT(new_updates_url);
-  }
-
-#endif
-
-// The information for the latest version
-VersionDataP update_version_data;
-// Have we shown the update dialog?
-bool shown_dialog = false;
-// Is update checking in progress?
-volatile bool checking_updates = false;
-
-bool update_data_found() { return !!update_version_data; }
-bool update_available()  {
-  if (!update_version_data) return false;
-  #if !USE_OLD_STYLE_UPDATE_CHECKER
-    // updates to any installed package?
-    FOR_EACH_CONST(p, update_version_data->packages) {
-      if (!settings.check_updates_all && p->package != mse_package) continue;
-      Version v;
-      if (package_manager.installedVersion(p->package, v) && v < p->version) {
-        return true;
-      }
-    }
-    return false;
-  #else
-    return update_version_data->version > app_version;
-  #endif
-}
-
-// ----------------------------------------------------------------------------- : Update checking
-
-// Thread to retrieve update information
-// Checks if the current version is the latest version
-// If not, displays a message
-class CheckUpdateThread : public wxThread {
-public:
-  void* Entry() override {
-    #ifndef __APPLE__
-        Work();
-    #endif
-    return 0;
-  }
-  
-  static void Work() {
-    if (checking_updates) return; // don't check multiple times simultaniously
-    checking_updates = true;
-    try {
-      #if !USE_OLD_STYLE_UPDATE_CHECKER
-        String& the_url = settings.package_versions_url;
-      #else
-        String& the_url = settings.updates_url;
-      #endif
-      wxURL url(the_url);
-      unique_ptr<wxInputStream> isP(url.GetInputStream());
-      if (!isP) return; // failed to get data
-      // Read version data
-      // ignore errors for forwards compatability
-      VersionDataP version_data;
-      Reader reader(*isP, nullptr, _("updates"), true);
-      reader.handle(version_data);
-      // has the updates url changed?
-      if (!version_data->new_updates_url.empty()) {
-        the_url = version_data->new_updates_url;
-      }
-      // Make available
-      update_version_data = version_data;
-    } catch (...) {
-      // ignore all errors, we don't want problems if update checking fails
-    }
-    checking_updates = false;
-  }
-};
-
-void check_updates() {
-  if (settings.check_updates == CHECK_ALWAYS) {
-    check_updates_now();
-  } else if (settings.check_updates == CHECK_IF_CONNECTED) {
-    // only if internet connection exists
-#if wxUSE_DIALUP_MANAGER
-	wxDialUpManager* dum = wxDialUpManager::Create();
-    if (dum->IsOk() && dum->IsOnline()) {
-      check_updates_now();
-    }
-    delete dum;
-#else
-	check_updates_now();
-#endif
-  }
-}
-
-void check_updates_now(bool async) {
-  if (async) {
-    CheckUpdateThread* thread = new CheckUpdateThread;
-    thread->Create();
-    thread->Run();
-  } else {
-    CheckUpdateThread::Work();
-  }
-}
-
-
-// ----------------------------------------------------------------------------- : Dialog
-#if !USE_OLD_STYLE_UPDATE_CHECKER
-
-void show_update_dialog(Window* parent) {
-  if (!update_available() || shown_dialog) return; // we already have the latest version, or this has already been displayed.
-  shown_dialog = true;
-  (new PackagesWindow(parent))->Show();
-}
-
-// ----------------------------------------------------------------------------- : Dialog (old style)
-#else // !USE_OLD_STYLE_UPDATE_CHECKER
-
-#include <wx/html/htmlwin.h>
-
-// A HTML control that opens all pages in an actual browser
-struct HtmlWindowToBrowser : public wxHtmlWindow {
-  HtmlWindowToBrowser(Window* parent, int id, const wxPoint& pos, const wxSize& size, long flags)
-    : wxHtmlWindow(parent, id, pos, size, flags)
-  {}
-    
-  void OnLinkClicked(const wxHtmlLinkInfo& info) override {
-    wxLaunchDefaultBrowser( info.GetHref() );
-  }
-};
-
-void show_update_dialog(Window* parent) {
-  if (!update_available() || shown_dialog) return; // we already have the latest version, or this has already been displayed.
-  // Show update dialog
-  wxDialog* dlg = new wxDialog(parent, wxID_ANY, _TITLE_("updates available"), wxDefaultPosition);
-  // controls
-  wxHtmlWindow* html = new HtmlWindowToBrowser(dlg, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxHW_SCROLLBAR_AUTO | wxBORDER_THEME);
-  html->SetPage(update_version_data->description);
-  wxButton* close = new wxButton(dlg, wxID_OK, _BUTTON_("close"));
-  close->SetDefault();
-  // layout
-  wxSizer* s = new wxBoxSizer(wxVERTICAL);
-  s->Add(html, 1, wxEXPAND | wxALL, 8);
-  s->Add(close, 0, wxALIGN_RIGHT | (wxALL & ~wxTOP), 8);
-  dlg->SetSizer(s);
-  dlg->SetSize(400,400);
-  dlg->Show();
-  // And never show it again this run
-  shown_dialog = true;
-}
-
-#endif // !USE_OLD_STYLE_UPDATE_CHECKER
diff --git a/src/gui/update_checker.hpp b/src/gui/update_checker.hpp
deleted file mode 100644
index 9fe50bf0..00000000
--- a/src/gui/update_checker.hpp
+++ /dev/null
@@ -1,32 +0,0 @@
-//+----------------------------------------------------------------------------+
-//| Description:  Magic Set Editor - Program to make card games                |
-//| Copyright:    (C) Twan van Laarhoven and the other MSE developers          |
-//| License:      GNU General Public License 2 or later (see file COPYING)     |
-//+----------------------------------------------------------------------------+
-
-#pragma once
-
-// ----------------------------------------------------------------------------- : Includes
-
-#include <util/prec.hpp>
-
-// ----------------------------------------------------------------------------- : Update checking
-
-// Checks for updates if the settings say so
-void check_updates();
-
-/// Checks if the current version is the latest version
-/** If async==true then checking is done in another thread
- */
-void check_updates_now(bool async = true);
-
-/// Show a dialog to inform the user that updates are available (if there are any)
-/** Call check_updates first.
- *  Call this function from an onIdle loop */
-void show_update_dialog(Window* parent);
-
-/// Was update data found?
-bool update_data_found();
-/// Is there an update?
-bool update_available();
-
diff --git a/src/gui/util.cpp b/src/gui/util.cpp
index 411589a4..ae8c9dcd 100644
--- a/src/gui/util.cpp
+++ b/src/gui/util.cpp
@@ -352,9 +352,9 @@ wxIcon load_resource_icon(const String& name) {
     return wxIcon(_("icon/") + name);
   #else
     static String path = wxStandardPaths::Get().GetDataDir() + _("/resource/icon/");
-        static String local_path = wxStandardPaths::Get().GetUserDataDir() + _("/resource/icon/");
-        if (wxFileExists(path + name + _(".ico"))) return wxIcon(path + name + _(".ico"), wxBITMAP_TYPE_ICO);
-        else return wxIcon(local_path + name + _(".ico"), wxBITMAP_TYPE_ICO);
+    static String local_path = wxStandardPaths::Get().GetUserDataDir() + _("/resource/icon/");
+    if (wxFileExists(path + name + _(".ico"))) return wxIcon(path + name + _(".ico"), wxBITMAP_TYPE_ICO);
+    else return wxIcon(local_path + name + _(".ico"), wxBITMAP_TYPE_ICO);
   #endif
 }
 
diff --git a/src/gui/welcome_window.cpp b/src/gui/welcome_window.cpp
index 755d5fcf..a3a65c97 100644
--- a/src/gui/welcome_window.cpp
+++ b/src/gui/welcome_window.cpp
@@ -11,8 +11,6 @@
 #include <gui/util.hpp>
 #include <gui/new_window.hpp>
 #include <gui/set/window.hpp>
-#include <gui/update_checker.hpp>
-#include <gui/packages_window.hpp>
 #include <util/window_id.hpp>
 #include <data/settings.hpp>
 #include <data/format/formats.hpp>
@@ -40,9 +38,6 @@ WelcomeWindow::WelcomeWindow()
   // init controls
   wxControl* new_set   = new HoverButtonExt(this, ID_FILE_NEW,           load_resource_image(_("welcome_new")),     _BUTTON_("new set"),       _HELP_("new set"));
   wxControl* open_set  = new HoverButtonExt(this, ID_FILE_OPEN,          load_resource_image(_("welcome_open")),    _BUTTON_("open set"),      _HELP_("open set"));
-  #if !USE_OLD_STYLE_UPDATE_CHECKER
-  wxControl* updates   = new HoverButtonExt(this, ID_FILE_CHECK_UPDATES, load_resource_image(_("welcome_updates")), _BUTTON_("check updates"), _HELP_("check updates"));
-  #endif
   wxControl* open_last = nullptr;
   if (!settings.recent_sets.empty()) {
     const String& filename = settings.recent_sets.front();
@@ -58,9 +53,6 @@ WelcomeWindow::WelcomeWindow()
     s2->AddSpacer(100);
     s2->Add(new_set,   0, wxALL, 2);
     s2->Add(open_set,  0, wxALL, 2);
-    #if !USE_OLD_STYLE_UPDATE_CHECKER
-    s2->Add(updates,   0, wxALL, 2);
-    #endif
     if (open_last) s2->Add(open_last, 0, wxALL, 2);
     s2->AddStretchSpacer();
 
@@ -154,12 +146,6 @@ void WelcomeWindow::onOpenLast(wxCommandEvent&) {
   }
 }
 
-void WelcomeWindow::onCheckUpdates(wxCommandEvent&) {
-  Show(false); // hide, so the PackagesWindow will not use this window as its parent
-  (new PackagesWindow(nullptr))->Show();
-  Close();
-}
-
 void WelcomeWindow::close(const SetP& set) {
   if (!set) return;
   (new SetWindow(nullptr, set))->Show();
@@ -172,7 +158,6 @@ BEGIN_EVENT_TABLE(WelcomeWindow, wxFrame)
   EVT_BUTTON         (ID_FILE_OPEN,          WelcomeWindow::onOpenSet)
   EVT_BUTTON         (ID_FILE_RECENT,        WelcomeWindow::onOpenLast)
   EVT_COMBOBOX       (ID_SELECT_LANGUAGE,     WelcomeWindow::onSelectLanguage)
-  EVT_BUTTON         (ID_FILE_CHECK_UPDATES, WelcomeWindow::onCheckUpdates)
   EVT_PAINT          (                       WelcomeWindow::onPaint)
 //  EVT_IDLE           (                     WelcomeWindow::onIdle)
 END_EVENT_TABLE  ()
diff --git a/src/gui/welcome_window.hpp b/src/gui/welcome_window.hpp
index 7eddf002..76bcfa14 100644
--- a/src/gui/welcome_window.hpp
+++ b/src/gui/welcome_window.hpp
@@ -43,7 +43,6 @@ private:
   void onOpenSet     (wxCommandEvent&);
   void onNewSet      (wxCommandEvent&);
   void onOpenLast    (wxCommandEvent&);
-  void onCheckUpdates(wxCommandEvent&);
   void onSelectLanguage(wxCommandEvent&);
 //  void onIdle    (wxIdleEvent& ev);
   
diff --git a/src/main.cpp b/src/main.cpp
index 7c81e474..ca8dfe24 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -19,8 +19,7 @@
 #include <cli/cli_main.hpp>
 #include <cli/text_io_handler.hpp>
 #include <gui/welcome_window.hpp>
-#include <gui/update_checker.hpp>
-#include <gui/packages_window.hpp>
+#include <gui/downloadable_installers.hpp>
 #include <gui/set/window.hpp>
 #include <gui/symbol/window.hpp>
 #include <gui/thumbnail_thread.hpp>
@@ -99,7 +98,8 @@ int MSE::OnRun() {
     SetAppearance((Appearance)settings.dark_mode_type);
     the_locale = Locale::byName(settings.locale);
     nag_about_ascii_version();
-    
+    downloadable_installers.check_updates();
+
     // interpret command line
     {
       // ingnore the --color argument, it is handled by cli.init()
@@ -287,7 +287,6 @@ int MSE::OnRun() {
 }
 
 int MSE::runGUI() {
-  //check_updates(); // FIXME: Disable update checking on startup. Likely want to either replace the Update Checker or remove it entirely.
   return wxApp::OnRun();
 }
 
diff --git a/src/util/io/package_manager.cpp b/src/util/io/package_manager.cpp
index 6d147dfb..f7c52422 100644
--- a/src/util/io/package_manager.cpp
+++ b/src/util/io/package_manager.cpp
@@ -11,6 +11,7 @@
 #include <util/error.hpp>
 #include <util/file_utils.hpp>
 #include <data/game.hpp>
+#include <data/updater.hpp>
 #include <data/stylesheet.hpp>
 #include <data/symbol_font.hpp>
 #include <data/locale.hpp>
@@ -60,13 +61,16 @@ PackagedP PackageManager::openAny(const String& name_, bool just_header) {
   PackagedP& p = loaded_packages[filename];
   if (!p) {
     // load with the right type, based on extension
-    wxFileName fn(filename);
-    if      (fn.GetExt() == _("mse-game"))            p = make_intrusive<Game>();
-    else if (fn.GetExt() == _("mse-style"))           p = make_intrusive<StyleSheet>();
-    else if (fn.GetExt() == _("mse-locale"))          p = make_intrusive<Locale>();
-    else if (fn.GetExt() == _("mse-include"))         p = make_intrusive<IncludePackage>();
-    else if (fn.GetExt() == _("mse-symbol-font"))     p = make_intrusive<SymbolFont>();
-    else if (fn.GetExt() == _("mse-export-template")) p = make_intrusive<ExportTemplate>();
+    wxFileName fn(filename);
+    String ext = fn.GetExt();
+    if      (ext == _("mse-style"))           p = make_intrusive<StyleSheet>();
+    else if (ext == _("mse-symbol-font"))     p = make_intrusive<SymbolFont>();
+    else if (ext == _("mse-include"))         p = make_intrusive<IncludePackage>();
+    else if (ext == _("mse-game"))            p = make_intrusive<Game>();
+    else if (ext == _("mse-locale"))          p = make_intrusive<Locale>();
+    else if (ext == _("mse-export-template")) p = make_intrusive<ExportTemplate>();
+    //else if (ext == _("mse-import-template")) p = make_intrusive<ImportTemplate>();
+    else if (ext == _("mse-updater"))         p = make_intrusive<Updater>();
     else {
       throw PackageError(_("Unrecognized package type: '") + fn.GetExt() + _("'\nwhile trying to open: ") + name);
     }
diff --git a/src/util/io/reader.hpp b/src/util/io/reader.hpp
index 5d37e894..6d5dc789 100644
--- a/src/util/io/reader.hpp
+++ b/src/util/io/reader.hpp
@@ -17,6 +17,7 @@
 template <typename T> class Defaultable;
 template <typename T> class Scriptable;
 DECLARE_POINTER_TYPE(Game);
+DECLARE_POINTER_TYPE(Updater);
 DECLARE_POINTER_TYPE(StyleSheet);
 class Packaged;
 pair<unique_ptr<wxInputStream>, Packaged*> openFileFromPackage(Packaged* package, const String& name);
@@ -109,6 +110,7 @@ public:
   template <typename T> void handle(Scriptable<T>&);
   // special behaviour
   void handle(GameP&);
+  void handle(UpdaterP&);
   void handle(StyleSheetP&);
   
   /// Indicate that the last value from getValue() was not handled, allowing it to be handled again
diff --git a/src/util/io/writer.hpp b/src/util/io/writer.hpp
index 228278a9..72420c85 100644
--- a/src/util/io/writer.hpp
+++ b/src/util/io/writer.hpp
@@ -17,6 +17,7 @@
 template <typename T> class Defaultable;
 template <typename T> class Scriptable;
 DECLARE_POINTER_TYPE(Game);
+DECLARE_POINTER_TYPE(Updater);
 DECLARE_POINTER_TYPE(StyleSheet);
 
 // ----------------------------------------------------------------------------- : Writer
@@ -72,6 +73,7 @@ public:
   template <typename T> void handle(const Scriptable<T>&);
   // special behaviour
   void handle(const GameP&);
+  void handle(const UpdaterP&);
   void handle(const StyleSheetP&);
   
   /// Indentation of the current block
diff --git a/src_updater/main.cpp b/src_updater/main.cpp
new file mode 100644
index 00000000..16b21012
--- /dev/null
+++ b/src_updater/main.cpp
@@ -0,0 +1,317 @@
+//+----------------------------------------------------------------------------+
+//| Description:  Magic Set Editor - Program to make card games                |
+//| Copyright:    (C) Twan van Laarhoven and the other MSE developers          |
+//| License:      GNU General Public License 2 or later (see file COPYING)     |
+//+----------------------------------------------------------------------------+
+
+// ----------------------------------------------------------------------------- : Includes
+
+#include <wx/wxprec.h>
+#include <wx/webrequest.h>
+#include <wx/process.h>
+#include <wx/wfstream.h>
+#include <wx/zipstrm.h>
+#include <wx/filename.h>
+#include <wx/stdpaths.h>
+#include <unordered_map>
+
+// ----------------------------------------------------------------------------- : Payload URL
+
+static const wxString url = wxString("https://github.com/MagicSetEditorPacks/Installer-Pack/raw/refs/heads/main/magicseteditor.zip");
+
+// ----------------------------------------------------------------------------- : Localized Text
+
+const std::unordered_map<wxString, wxString> update_map = [] {
+  std::unordered_map<wxString, wxString> map = {
+      { _("en"),   _("Magic Set Editor will now update itself.") }
+    , { _("chs"),  _("Magic Set Editor现在将自动更新。") }
+    , { _("cht"),  _("Magic Set Editor現在將自動更新。") }
+    , { _("da"),   _("Magic Set Editor opdaterer nu sig selv.") }
+    , { _("de"),   _("Magic Set Editor wird nun aktualisiert.") }
+    , { _("es"),   _("Magic Set Editor se actualizará automáticamente.") }
+    , { _("fr"),   _("Magic Set Editor va maintenant se mettre à jour.") }
+    , { _("it"),   _("Magic Set Editor si aggiornerà automaticamente.") }
+    , { _("jp"),   _("Magic Set Editorが自動的に更新されます。") }
+    , { _("ko"),   _("Magic Set Editor가 이제 자동으로 업데이트됩니다.") }
+    , { _("pl"),   _("Magic Set Editor zaktualizuje się teraz samoczynnie.") }
+    , { _("ptbr"), _("Magic Set Editor será atualizado automaticamente.") }
+    , { _("ru"),   _("Сейчас произойдет обновление Magic Set Editor ") }
+  };
+  return map;
+}();
+
+const std::unordered_map<wxString, wxString> close_map = [] {
+  std::unordered_map<wxString, wxString> map = {
+      { _("en"),   _("Please close all other Magic Set Editor windows, then click OK.") }
+    , { _("chs"),  _("请关闭所有其他Magic Set Editor窗口，然后单击“OK”。") }
+    , { _("cht"),  _("請關閉所有其他Magic Set Editor窗口，然後按一下“OK”。") }
+    , { _("da"),   _("Luk alle andre Magic Set Editor-vinduer, og klik derefter på OK.") }
+    , { _("de"),   _("Bitte schließen Sie alle anderen Fenster des Magic Set Editor und klicken Sie anschließend auf OK.") }
+    , { _("es"),   _("Cierre todas las demás ventanas de Magic Set Editor y haga clic en OK.") }
+    , { _("fr"),   _("Veuillez fermer toutes les autres fenêtres de Magic Set Editor, puis cliquez sur OK.") }
+    , { _("it"),   _("Chiudere tutte le altre finestre di Magic Set Editor, quindi fare clic su OK.") }
+    , { _("jp"),   _("他のMagic Set Editorウィンドウをすべて閉じて、「OK」をクリックしてください。") }
+    , { _("ko"),   _("다른 Magic Set Editor 창을 모두 닫은 다음 OK을 클릭하십시오.") }
+    , { _("pl"),   _("Zamknij wszystkie pozostałe okna Magic Set Editor, a następnie kliknij OK.") }
+    , { _("ptbr"), _("Feche todas as outras janelas do Magic Set Editor e clique em OK") }
+    , { _("ru"),   _("Пожалуйста, закройте все остальные окна Magic Set Editor, затем нажмите ОК.") }
+  };
+  return map;
+  }();
+
+// ----------------------------------------------------------------------------- : Events
+
+wxDEFINE_EVENT(wxEVT_EXTRACTION, wxThreadEvent);
+wxDEFINE_EVENT(wxEVT_FAIL,       wxThreadEvent);
+wxDEFINE_EVENT(wxEVT_SUCCESS,    wxThreadEvent);
+
+// ----------------------------------------------------------------------------- : Classes
+
+class MSEUpdater : public wxApp {
+public:
+  virtual bool OnInit();
+};
+
+IMPLEMENT_APP(MSEUpdater)
+
+class Thread;
+
+class Frame : public wxFrame {
+public:
+  Frame(wxString locale);
+
+  void OnExtraction(wxThreadEvent&  event);
+  void OnFail      (wxThreadEvent&  event);
+  void OnSuccess   (wxThreadEvent&  event);
+  void OnOK        (wxCommandEvent& event);
+
+  void DoFail      (const wxString& error);
+
+  wxStaticText* status;
+  wxStaticText* address;
+  wxButton*     button;
+  Thread*       thread;
+
+  bool OK = false;
+};
+
+class Thread : public wxThread {
+public:
+  Thread(Frame* frame);
+
+  void NotifyExtraction(const wxString& file);
+  void NotifyFail      (const wxString& error);
+  void NotifySuccess   (const wxString& app_folder);
+
+  virtual wxThread::ExitCode Entry();
+
+  Frame* frame;
+};
+
+// ----------------------------------------------------------------------------- : Methods
+
+bool MSEUpdater::OnInit() {
+  Appearance darkmode = Appearance::System;
+  wxString locale = wxString("en");
+  for (int i = 0; i < argc; ++i) {
+    wxString arg = wxString(argv[i]);
+    if (arg.StartsWith("darkmode") && arg.size() > 8) {
+      darkmode = arg.GetChar(8) == '1' ? Appearance::Dark : Appearance::Light;
+    }
+    else if (arg.StartsWith("locale") && arg.size() > 6) {
+      locale = arg.substr(6);
+    }
+  }
+  SetAppearance(darkmode);
+  Frame *frame = new Frame(locale);
+  SetTopWindow(frame);
+  frame->Show();
+  return true;
+}
+
+Frame::Frame(wxString locale) : wxFrame(nullptr, wxID_ANY, wxString("Magic Set Editor Updater")) {
+  // Set app icon
+  wxLogNull noLog;
+#if defined(__WXMSW__) && !defined(__GNUC__)
+  SetIcon(wxIcon(_("updater")));
+#else
+  SetIcon(wxIcon(wxStandardPaths::Get().GetDataDir() + _("/src_updater/updater.ico"), wxBITMAP_TYPE_ICO));
+#endif
+  // Create controls
+  wxString update_text = update_map.find(locale) != update_map.end() ? update_map.at(locale) : update_map.at("en");
+  wxString close_text  =  close_map.find(locale) !=  close_map.end() ?  close_map.at(locale) :  close_map.at("en");
+  status  = new wxStaticText(this, wxID_ANY, update_text, wxDefaultPosition, wxDefaultSize, wxALIGN_CENTRE_HORIZONTAL | wxALIGN_CENTRE_VERTICAL | wxST_NO_AUTORESIZE);
+  address = new wxStaticText(this, wxID_ANY, close_text,  wxDefaultPosition, wxDefaultSize, wxALIGN_CENTRE_HORIZONTAL | wxALIGN_CENTRE_VERTICAL | wxST_NO_AUTORESIZE);
+  button  = new wxButton    (this, wxID_OK,  wxString("OK"));
+  wxFont font = status->GetFont().Scale(1.2f);
+  status ->SetFont(font);
+  address->SetFont(font);
+  button ->SetFont(font);
+  wxBoxSizer* sizer = new wxBoxSizer(wxVERTICAL);
+  sizer->Add(status,  1, wxEXPAND | wxALL,            12);
+  sizer->Add(address, 1, wxEXPAND | (wxALL & ~wxTOP), 12);
+  sizer->Add(button,  1, wxEXPAND,                    12);
+  sizer->SetMinSize(wxSize(800, -1));
+  SetSizerAndFit(sizer);
+
+  // Bind events
+  Bind(wxEVT_EXTRACTION, &Frame::OnExtraction, this);
+  Bind(wxEVT_SUCCESS,    &Frame::OnSuccess,    this);
+  Bind(wxEVT_FAIL,       &Frame::OnFail,       this);
+  Bind(wxEVT_BUTTON,     &Frame::OnOK,         this, wxID_OK);
+
+  // Run thread
+  thread = new Thread(this);
+  if (thread->Create() == wxTHREAD_NO_ERROR) {
+    thread->Run();
+  }
+}
+
+void Frame::OnExtraction(wxThreadEvent& event) {
+  status->SetLabelText(wxString("Extracting File To:"));
+  address->SetLabelText(event.GetString());
+  Update();
+}
+
+void Frame::OnFail(wxThreadEvent& event) {
+  DoFail(event.GetString());
+}
+void Frame::DoFail(const wxString& error) {
+  thread->Kill();
+  status->SetForegroundColour(wxColor(*wxRED));
+  status->SetLabelText(error);
+  address->SetLabelText(wxString(""));
+  Update();
+  wxMilliSleep(3000);
+  Destroy();
+}
+
+void Frame::OnSuccess(wxThreadEvent& event) {
+  wxString path = event.GetString() + wxString("magicseteditor");
+  path = path + wxString(".exe");
+  long processID = wxFileExists(path) ? wxExecute(path, wxEXEC_ASYNC) : 0L;
+  if (processID == 0L) {
+    DoFail(wxString("Could not launch Magic Set Editor."));
+  }
+  else {
+    status->SetLabelText(wxString("Launching Magic Set Editor."));
+    address->SetLabelText(wxString(""));
+    Update();
+    wxMilliSleep(800);
+    Destroy();
+  }
+}
+
+void Frame::OnOK(wxCommandEvent& event) {
+  if (!OK) {
+    button->Enable(false);
+    button->SetLabel(wxString("Cancel"));
+    status->SetLabelText(wxString("Downloading New Version From:"));
+    address->SetLabelText(url);
+    Update();
+    wxMilliSleep(200);
+    button->Enable(true);
+    wxMilliSleep(100);
+    OK = true;
+  }
+  else {
+    thread->Kill();
+    Destroy();
+  }
+}
+
+Thread::Thread(Frame* frame) : wxThread(wxTHREAD_DETACHED), frame(frame) {}
+
+void Thread::NotifyExtraction(const wxString& file) {
+  wxThreadEvent* event = new wxThreadEvent(wxEVT_EXTRACTION);
+  event->SetString(file);
+  wxQueueEvent(frame, event);
+}
+
+void Thread::NotifyFail(const wxString& error) {
+  wxThreadEvent* event = new wxThreadEvent(wxEVT_FAIL);
+  event->SetString(error);
+  wxQueueEvent(frame, event);
+}
+
+void Thread::NotifySuccess(const wxString& app_folder) {
+  wxThreadEvent* event = new wxThreadEvent(wxEVT_SUCCESS);
+  event->SetString(app_folder);
+  wxQueueEvent(frame, event);
+}
+
+wxThread::ExitCode Thread::Entry() {
+  try {
+    // Get app folder
+    wxFileName updater_folder = wxFileName(wxStandardPaths::Get().GetExecutablePath());
+    updater_folder.RemoveLastDir();
+    if (!updater_folder.GetPath().EndsWith(wxString("data"))) {
+      NotifyFail("Updater package is not in the 'data' folder.");
+      return (ExitCode)-1;
+    }
+    updater_folder.RemoveLastDir();
+    wxString app_folder = updater_folder.GetPath() + wxFileName::GetPathSeparator();
+
+    // Fetch zip from url
+    wxWebRequestSync request = wxWebSessionSync::GetDefault().CreateRequest(url);
+    auto const result = request.Execute();
+    if (!result) {
+      NotifyFail("Download Failed.");
+      return (ExitCode)-1;
+    }
+    wxInputStream* is = request.GetResponse().GetStream();
+    if (!is->IsOk()) {
+      NotifyFail("Download Corrupted.");
+      return (ExitCode)-1;
+    }
+
+    // Stall until the user gives the go ahead
+    while (!frame->OK) {
+      wxMilliSleep(50);
+      wxYield();
+    }
+
+    // Extract files from zip
+    wxZipInputStream zis(is);
+    if (!zis.IsOk()) {
+      NotifyFail("Zip Archive Corrupted.");
+      return (ExitCode)-1;
+    }
+    std::unique_ptr<wxZipEntry> entry;
+    while (entry.reset(zis.GetNextEntry()), entry.get() != nullptr) {
+      wxString target_path = app_folder + entry->GetName();
+      int nPermBits = entry->GetMode();
+      if (entry->IsDir()) {
+        if (!wxDirExists(target_path)) wxFileName::Mkdir(target_path, nPermBits, wxPATH_MKDIR_FULL);
+        continue;
+      }
+
+      NotifyExtraction(target_path);
+      wxFileName fn;
+      fn.Assign(target_path);
+      if (!wxDirExists(fn.GetPath())) wxFileName::Mkdir(fn.GetPath(), nPermBits, wxPATH_MKDIR_FULL);
+      if (!zis.CanRead()) {
+        NotifyFail("Extraction Failed.");
+        return (ExitCode)-1;
+      }
+
+      wxFileOutputStream fos(target_path);
+      if (!fos.IsOk()) {
+        NotifyFail("Writing Failed. Magic Set Editor may still be open.");
+        return (ExitCode)-1;
+      }
+
+      zis.Read(fos);
+      fos.Close();
+      zis.CloseEntry();
+    }
+
+    NotifySuccess(app_folder);
+    wxMilliSleep(200);
+    return (ExitCode)0;
+  }
+  catch (...) {
+    NotifyFail("Something Went Wrong.");
+    return (ExitCode)-1;
+  }
+}
diff --git a/src_updater/updater.ico b/src_updater/updater.ico
new file mode 100644
index 00000000..bb10d2f3
Binary files /dev/null and b/src_updater/updater.ico differ
diff --git a/src_updater/win32_res.rc b/src_updater/win32_res.rc
new file mode 100644
index 00000000..d3152aa4
--- /dev/null
+++ b/src_updater/win32_res.rc
@@ -0,0 +1,9 @@
+//+----------------------------------------------------------------------------+
+//| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
+//| Copyright:    (C) 2001 - 2017 Twan van Laarhoven and "coppro"              |
+//| License:      GNU General Public License 2 or later (see file COPYING)     |
+//+----------------------------------------------------------------------------+
+
+// -------------------------------------------------------- : Icon
+
+updater ICON "updater.ico"