diff --git a/ALOTInstallerWPF/MainWindow.xaml.cs b/ALOTInstallerWPF/MainWindow.xaml.cs
index 673e4d65..53ce419f 100644
--- a/ALOTInstallerWPF/MainWindow.xaml.cs
+++ b/ALOTInstallerWPF/MainWindow.xaml.cs
@@ -94,7 +94,15 @@ public Task<int> GetFlyoutResponse(string topText, params Button[] buttons)
 
             var content = new FlyoutDialogPanel(topText, buttons, selectedOption =>
             {
-                tcs.SetResult(selectedOption);
+                // If user clicks too fast this can cause an exception.
+                try
+                {
+                    tcs.SetResult(selectedOption);
+                }
+                catch
+                {
+                }
+
                 BottomBasicDialog.IsOpen = false;
             });
             BottomBasicDialog.Content = null; //clear