diff --git a/EmuLibrary/EmuLibrary.cs b/EmuLibrary/EmuLibrary.cs
index ce4b1ac..f0319fc 100644
--- a/EmuLibrary/EmuLibrary.cs
+++ b/EmuLibrary/EmuLibrary.cs
@@ -9,6 +9,7 @@
 using System.IO;
 using System.Linq;
 using System.Reflection;
+using System.Threading;
 using System.Windows.Controls;
 
 namespace EmuLibrary
@@ -138,7 +139,7 @@ public override IEnumerable<GameMetadata> GetGames(LibraryGetGamesArgs args)
 
             if (Settings.AutoRemoveUninstalledGamesMissingFromSource)
             {
-                RemoveSuperUninstalledGames(false);
+                RemoveSuperUninstalledGames(false, args.CancelToken);
             }
         }
 
@@ -175,7 +176,7 @@ public override IEnumerable<MainMenuItem> GetMainMenuItems(GetMainMenuItemsArgs
         {
             yield return new MainMenuItem()
             {
-                Action = (arags) => RemoveSuperUninstalledGames(true),
+                Action = (arags) => RemoveSuperUninstalledGames(true, default),
                 Description = "Remove uninstalled games with missing source file...",
                 MenuSection = "EmuLibrary"
             };
@@ -203,9 +204,9 @@ public override IEnumerable<GameMenuItem> GetGameMenuItems(GetGameMenuItemsArgs
             }
         }
 
-        private void RemoveSuperUninstalledGames(bool promptUser)
+        private void RemoveSuperUninstalledGames(bool promptUser, CancellationToken ct)
         {
-            var toRemove = _scanners.Values.SelectMany(s => s.GetUninstalledGamesMissingSourceFiles());
+            var toRemove = _scanners.Values.SelectMany(s => s.GetUninstalledGamesMissingSourceFiles(ct));
             if (toRemove.Any())
             {
                 System.Windows.MessageBoxResult res;
diff --git a/EmuLibrary/RomTypes/MultiFile/MultiFileScanner.cs b/EmuLibrary/RomTypes/MultiFile/MultiFileScanner.cs
index 91964b8..eda6bf9 100644
--- a/EmuLibrary/RomTypes/MultiFile/MultiFileScanner.cs
+++ b/EmuLibrary/RomTypes/MultiFile/MultiFileScanner.cs
@@ -9,6 +9,7 @@
 using System.IO;
 using System.Linq;
 using System.Text.RegularExpressions;
+using System.Threading;
 
 namespace EmuLibrary.RomTypes.MultiFile
 {
@@ -190,9 +191,10 @@ public override bool TryGetGameInfoBaseFromLegacyGameId(Game game, EmuLibrarySet
             return true;
         }
 
-        public override IEnumerable<Game> GetUninstalledGamesMissingSourceFiles()
+        public override IEnumerable<Game> GetUninstalledGamesMissingSourceFiles(CancellationToken ct)
         {
-            return _playniteAPI.Database.Games.Where(g =>
+            return _playniteAPI.Database.Games.TakeWhile(g => !ct.IsCancellationRequested)
+                .Where(g =>
             {
                 if (g.PluginId != EmuLibrary.PluginId || g.IsInstalled)
                     return false;
diff --git a/EmuLibrary/RomTypes/RomTypeScanner.cs b/EmuLibrary/RomTypes/RomTypeScanner.cs
index a53c54f..40268f7 100644
--- a/EmuLibrary/RomTypes/RomTypeScanner.cs
+++ b/EmuLibrary/RomTypes/RomTypeScanner.cs
@@ -3,6 +3,7 @@
 using Playnite.SDK.Plugins;
 using System;
 using System.Collections.Generic;
+using System.Threading;
 
 namespace EmuLibrary.RomTypes
 {
@@ -17,6 +18,6 @@ internal abstract class RomTypeScanner
 
         public abstract bool TryGetGameInfoBaseFromLegacyGameId(Game game, EmuLibrarySettings.ROMInstallerEmulatorMapping mapping, out ELGameInfo gameInfo);
         public abstract IEnumerable<GameMetadata> GetGames(EmuLibrarySettings.ROMInstallerEmulatorMapping mapping, LibraryGetGamesArgs args);
-        public abstract IEnumerable<Game> GetUninstalledGamesMissingSourceFiles();
+        public abstract IEnumerable<Game> GetUninstalledGamesMissingSourceFiles(CancellationToken ct);
     }
 }
diff --git a/EmuLibrary/RomTypes/SingleFile/SingleFileScanner.cs b/EmuLibrary/RomTypes/SingleFile/SingleFileScanner.cs
index f40ee5a..9f2a5d4 100644
--- a/EmuLibrary/RomTypes/SingleFile/SingleFileScanner.cs
+++ b/EmuLibrary/RomTypes/SingleFile/SingleFileScanner.cs
@@ -9,6 +9,7 @@
 using System.Linq;
 using System.Runtime;
 using System.Text.RegularExpressions;
+using System.Threading;
 
 namespace EmuLibrary.RomTypes.SingleFile
 {
@@ -193,9 +194,10 @@ public override bool TryGetGameInfoBaseFromLegacyGameId(Game game, EmuLibrarySet
             }
         }
 
-        public override IEnumerable<Game> GetUninstalledGamesMissingSourceFiles()
+        public override IEnumerable<Game> GetUninstalledGamesMissingSourceFiles(CancellationToken ct)
         {
-            return _playniteAPI.Database.Games.Where(g =>
+            return _playniteAPI.Database.Games.TakeWhile(g => !ct.IsCancellationRequested)
+                .Where(g =>
             {
                 if (g.PluginId != EmuLibrary.PluginId || g.IsInstalled)
                     return false;