3 files changed, 56 insertions, 2 deletions

diff --git a/src/createinstancedialogpages.cpp b/src/createinstancedialogpages.cpp
index 09026fa4..6173335a 100644
--- a/src/createinstancedialogpages.cpp
+++ b/src/createinstancedialogpages.cpp
@@ -293,7 +293,7 @@ void GamePage::select(IPluginGame* game, const QString& dir)
   Game* checked = findGame(game);
 
   if (checked) {
-    if (!checked->installed) {
+    if (!checked->installed || (detectMicrosoftStore(checked->dir) && !confirmMicrosoftStore(checked->dir, checked->game))) {
       if (dir.isEmpty()) {
         // the selected game has no installation directory and none was given,
         // ask the user
@@ -305,6 +305,9 @@ void GamePage::select(IPluginGame* game, const QString& dir)
         if (path.isEmpty()) {
           // cancelled
           checked = nullptr;
+        } else if (detectMicrosoftStore(path) && !confirmMicrosoftStore(path, game)) {
+          // cancelled
+          checked = nullptr;
         } else {
           // check whether a plugin supports the given directory; this can
           // return the same plugin, a different one, or null
@@ -354,6 +357,13 @@ void GamePage::selectCustom()
     return;
   }
 
+  // Microsoft store games are not supported
+  if (detectMicrosoftStore(path) && !confirmMicrosoftStore(path, nullptr)) {
+    // reselect the previous button
+    selectButton(m_selection);
+    return;
+  }
+
   // try to find a plugin that likes this directory
   for (auto& g : m_games) {
     if (g->game->looksValid(path)) {
@@ -594,6 +604,11 @@ GamePage::Game* GamePage::checkInstallation(const QString& path, Game* g)
     return g;
   }
 
+  if (detectMicrosoftStore(path) && confirmMicrosoftStore(path, g->game)) {
+    // okay
+    return g;
+  }
+
   // the selected game can't use that folder, find another one
   IPluginGame* otherGame = nullptr;
 
@@ -640,6 +655,35 @@ GamePage::Game* GamePage::checkInstallation(const QString& path, Game* g)
   return g;
 }
 
+bool GamePage::detectMicrosoftStore(const QString& path)
+{
+  return path.contains("/ModifiableWindowsApps/") ||
+         path.contains("/WindowsApps/");
+}
+
+bool GamePage::confirmMicrosoftStore(const QString& path, IPluginGame* game)
+{
+  const auto r = TaskDialog(&m_dlg)
+    .title(QObject::tr("Microsoft Store game"))
+    .main(QObject::tr("Microsoft Store game"))
+    .content(QObject::tr(
+      "The folder %1 seems to be a Microsoft Store game install.  Games"
+      " installed through the Microsoft Store are not supported by Mod Organizer"
+      " and will not work properly.")
+      .arg(path))
+    .button({
+      game ? QObject::tr("Use this folder for %1").arg(game->gameName())
+           : QObject::tr("Use this folder"),
+      QObject::tr("I know what I'm doing"),
+      QMessageBox::Ignore})
+    .button({
+      QObject::tr("Cancel"),
+      QMessageBox::Cancel})
+    .exec();
+
+  return (r == QMessageBox::Ignore);
+}
+
 bool GamePage::confirmUnknown(const QString& path, IPluginGame* game)
 {
   const auto r = TaskDialog(&m_dlg)
diff --git a/src/createinstancedialogpages.h b/src/createinstancedialogpages.h
index 08953a74..7237bfb2 100644
--- a/src/createinstancedialogpages.h
+++ b/src/createinstancedialogpages.h
@@ -354,6 +354,15 @@ private:
   MOBase::IPluginGame* confirmOtherGame(
     const QString& path,
     MOBase::IPluginGame* selectedGame, MOBase::IPluginGame* guessedGame);
+
+  // detects if the given path likely contains a Microsoft Store game
+  //
+  bool detectMicrosoftStore(const QString& path);
+
+  // tells the user that the path probably contains a Microsoft Store game that
+  // is not supported, returns true if the user decides to accept anyway.
+  //
+  bool confirmMicrosoftStore(const QString& path, MOBase::IPluginGame* game);
 };
 
 
diff --git a/src/sanitychecks.cpp b/src/sanitychecks.cpp
index 637cd83f..2f7126ea 100644
--- a/src/sanitychecks.cpp
+++ b/src/sanitychecks.cpp
@@ -389,7 +389,8 @@ int checkMicrosoftStore(const QDir& gameDir)
   for (auto badPath : pathsToCheck) {
     if (gameDir.path().contains(badPath))
     {
-      log::warn("the game is installed with the Microsoft Store / Gamepass and is not supported");
+      log::error("This game is not supported by Mod Organizer.");
+      log::error("Games installed through the Microsoft Store will not work properly.");
       return 1;
     }
   }