diff --git a/deps/spdlog b/deps/spdlog
index 616866fcf4..cbe9448650 160000
--- a/deps/spdlog
+++ b/deps/spdlog
@@ -1 +1 @@
-Subproject commit 616866fcf40340ea25a8f218369bad810ef58e72
+Subproject commit cbe9448650176797739dbab13961ef4c07f4290f
diff --git a/src/settings-ui/Microsoft.PowerToys.Settings.UI/Views/ShellPage.xaml.cs b/src/settings-ui/Microsoft.PowerToys.Settings.UI/Views/ShellPage.xaml.cs
index 7ec85b843c..110104ee75 100644
--- a/src/settings-ui/Microsoft.PowerToys.Settings.UI/Views/ShellPage.xaml.cs
+++ b/src/settings-ui/Microsoft.PowerToys.Settings.UI/Views/ShellPage.xaml.cs
@@ -83,19 +83,20 @@ namespace Microsoft.PowerToys.Settings.UI.Views
 
         public static int SendDefaultIPCMessage(string msg)
         {
-            DefaultSndMSGCallback(msg);
+            DefaultSndMSGCallback?.Invoke(msg);
             return 0;
         }
 
         public static int SendCheckForUpdatesIPCMessage(string msg)
         {
-            CheckForUpdatesMsgCallback(msg);
+            CheckForUpdatesMsgCallback?.Invoke(msg);
+
             return 0;
         }
 
         public static int SendRestartAdminIPCMessage(string msg)
         {
-            SndRestartAsAdminMsgCallback(msg);
+            SndRestartAsAdminMsgCallback?.Invoke(msg);
             return 0;
         }