diff --git a/Pinpoint.Plugin.AppSearch/AppSearchPlugin.cs b/Pinpoint.Plugin.AppSearch/AppSearchPlugin.cs
index cc5684e..aae12d5 100644
--- a/Pinpoint.Plugin.AppSearch/AppSearchPlugin.cs
+++ b/Pinpoint.Plugin.AppSearch/AppSearchPlugin.cs
@@ -24,7 +24,8 @@ public class AppSearchPlugin : AbstractPlugin
 
     public override PluginManifest Manifest { get; } = new("App Search")
     {
-        Description = "Search for installed apps. Type an app name or an abbreviation thereof.\n\nExamples: \"visual studio code\", \"vsc\""
+        Description = "Search for installed apps. Type an app name or an abbreviation thereof.\n\nExamples: \"visual studio code\", \"vsc\"",
+        Priority = PluginPriority.High,
     };
 
     public override async Task<bool> Initialize()
diff --git a/Pinpoint.Win/ViewModels/ObservableUniqueCollection.cs b/Pinpoint.Win/ViewModels/ObservableUniqueCollection.cs
index f07e6c3..288d866 100644
--- a/Pinpoint.Win/ViewModels/ObservableUniqueCollection.cs
+++ b/Pinpoint.Win/ViewModels/ObservableUniqueCollection.cs
@@ -6,7 +6,7 @@ namespace Pinpoint.Win.ViewModels
 {
     public class ObservableUniqueCollection<T> : ObservableCollection<T>
     {
-        private readonly HashSet<T> _hashSet = new();
+        private readonly Dictionary<T, int> _items = new();
 
         public void AddRange(IEnumerable<T> items)
         {
@@ -25,46 +25,66 @@ public bool TryAdd(T item)
 
         protected override void InsertItem(int index, T item)
         {
-            if (_hashSet.Add(item))
+            if (_items.ContainsKey(item))
             {
-                base.InsertItem(index, item);
+                return;
             }
+
+            _items[item] = index;
+            base.InsertItem(index, item);
         }
 
         protected override void ClearItems()
         {
             base.ClearItems();
-            _hashSet.Clear();
+            _items.Clear();
         }
 
         protected override void RemoveItem(int index)
         {
-            var item = this[index];
-            _hashSet.Remove(item);
+            _items.Remove(this[index]);
             base.RemoveItem(index);
         }
 
         protected override void SetItem(int index, T item)
         {
-            if (_hashSet.Add(item))
+            if (_items.ContainsKey(item))
             {
-                var oldItem = this[index];
-                _hashSet.Remove(oldItem);
-                base.SetItem(index, item);
+                return;
             }
+
+            _items.Remove(this[index]);
+            _items[item] = index;
+
+            base.SetItem(index, item);
         }
 
-        public void RemoveWhere(Predicate<T> predicate)
+        public void RemoveWhere(Predicate<T> filter)
         {
             for (var i = Count - 1; i >= 0; i--)
             {
-                if (!predicate(this[i]))
+                if (filter(this[i]))
                 {
-                    continue;
+                    RemoveItem(i);
                 }
+            }
+        }
 
-                RemoveItem(i);
+        public new bool Contains(T item)
+        {
+            return _items.ContainsKey(item);
+        }
+
+        public new bool Remove(T item) {
+            if (!_items.ContainsKey(item))
+            {
+                return false;
             }
+
+            _items.Remove(item);
+            base.Remove(item);
+
+            return true;
         }
     }
 }
\ No newline at end of file
diff --git a/Pinpoint.Win/Views/MainWindow.xaml.cs b/Pinpoint.Win/Views/MainWindow.xaml.cs
index 75dace0..4d67681 100644
--- a/Pinpoint.Win/Views/MainWindow.xaml.cs
+++ b/Pinpoint.Win/Views/MainWindow.xaml.cs
@@ -387,7 +387,7 @@ private void TxtQuery_TextChanged(object sender, System.Windows.Controls.TextCha
 
                 if (!Model.PreviousQuery.Equals(query))
                 {
-                    _ = Dispatcher.Invoke(async () => await UpdateResults());
+                    _ = Dispatcher.Invoke(UpdateResults);
                 }
             }
 
@@ -495,11 +495,14 @@ private async Task UpdateResults()
                 results.Add(result);
             }
 
-            Model.Results.RemoveWhere(r => !results.Contains(r));
-
             var shortcutKey = 0;
             foreach (var result in results)
             {
+                if (Model.Results.Contains(result))
+                {
+                    Model.Results.Remove(result);
+                }
+
                 // If one of first 9 results, set keyboard shortcut for result
                 if (Model.Results.TryAdd(result) && shortcutKey < 9)
                 {
@@ -507,6 +510,8 @@ private async Task UpdateResults()
                 }
             }
 
+            Model.Results.RemoveWhere(r => !results.Contains(r));
+
             if (Model.Results.Count > 0 && LstResults.SelectedIndex == -1)
             {
                 LstResults.SelectedIndex = 0;