diff --git a/Flow.Launcher/PublicAPIInstance.cs b/Flow.Launcher/PublicAPIInstance.cs
index 427fd9fc6..0afa67d1a 100644
--- a/Flow.Launcher/PublicAPIInstance.cs
+++ b/Flow.Launcher/PublicAPIInstance.cs
@@ -61,6 +61,9 @@ namespace Flow.Launcher
             // which will cause ungraceful exit
             SaveAppAllSettings();
 
+            // Restart requires Squirrel's Update.exe to be present in the parent folder, 
+            // it is only published from the project's release pipeline. When debugging without it,
+            // the project may not restart or just terminates. This is expected.
             UpdateManager.RestartApp(Constant.ApplicationFileName);
         }
 
diff --git a/Plugins/Flow.Launcher.Plugin.PluginsManager/Flow.Launcher.Plugin.PluginsManager.csproj b/Plugins/Flow.Launcher.Plugin.PluginsManager/Flow.Launcher.Plugin.PluginsManager.csproj
index cb2507a2b..f94027bcc 100644
--- a/Plugins/Flow.Launcher.Plugin.PluginsManager/Flow.Launcher.Plugin.PluginsManager.csproj
+++ b/Plugins/Flow.Launcher.Plugin.PluginsManager/Flow.Launcher.Plugin.PluginsManager.csproj
@@ -18,6 +18,7 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\Flow.Launcher.Infrastructure\Flow.Launcher.Infrastructure.csproj" />
+	<ProjectReference Include="..\..\Flow.Launcher.Core\Flow.Launcher.Core.csproj" />
     <ProjectReference Include="..\..\Flow.Launcher.Plugin\Flow.Launcher.Plugin.csproj" />
   </ItemGroup>
 
diff --git a/Plugins/Flow.Launcher.Plugin.PluginsManager/PluginsManager.cs b/Plugins/Flow.Launcher.Plugin.PluginsManager/PluginsManager.cs
index 881872fc1..90d103bc7 100644
--- a/Plugins/Flow.Launcher.Plugin.PluginsManager/PluginsManager.cs
+++ b/Plugins/Flow.Launcher.Plugin.PluginsManager/PluginsManager.cs
@@ -1,3 +1,4 @@
+using Flow.Launcher.Core.Plugin;
 using Flow.Launcher.Infrastructure;
 using Flow.Launcher.Infrastructure.Http;
 using Flow.Launcher.Infrastructure.Logger;
@@ -400,6 +401,9 @@ namespace Flow.Launcher.Plugin.PluginsManager
 
         private void Uninstall(PluginMetadata plugin)
         {
+            PluginManager.Settings.Plugins.Remove(plugin.ID);
+            PluginManager.AllPlugins.RemoveAll(p => p.Metadata.ID == plugin.ID);
+
             // Marked for deletion. Will be deleted on next start up
             using var _ = File.CreateText(Path.Combine(plugin.PluginDirectory, "NeedDelete.txt"));
         }
diff --git a/Plugins/Flow.Launcher.Plugin.PluginsManager/plugin.json b/Plugins/Flow.Launcher.Plugin.PluginsManager/plugin.json
index ad4601586..4cba7ec83 100644
--- a/Plugins/Flow.Launcher.Plugin.PluginsManager/plugin.json
+++ b/Plugins/Flow.Launcher.Plugin.PluginsManager/plugin.json
@@ -6,7 +6,7 @@
   "Name": "Plugins Manager",
   "Description": "Management of installing, uninstalling or updating Flow Launcher plugins",
   "Author": "Jeremy Wu",
-  "Version": "1.6.3",
+  "Version": "1.6.4",
   "Language": "csharp",
   "Website": "https://github.com/Flow-Launcher/Flow.Launcher",
   "ExecuteFileName": "Flow.Launcher.Plugin.PluginsManager.dll",