diff --git a/clientgui/BOINCGUIApp.cpp b/clientgui/BOINCGUIApp.cpp
index 97c6916206..dcdbe8326d 100644
--- a/clientgui/BOINCGUIApp.cpp
+++ b/clientgui/BOINCGUIApp.cpp
@@ -901,7 +901,7 @@ int CBOINCGUIApp::FilterEvent(wxEvent &event) {
     }
     
 #if 0
-    // Allow all events except Command and Timer events
+    // Allow all except Command, Timer and Mouse Moved events
     if (event.IsCommandEvent()) {
         return false;
     }
@@ -909,6 +909,10 @@ int CBOINCGUIApp::FilterEvent(wxEvent &event) {
     if (theEventType == wxEVT_TIMER) {
         return false;
     }
+    
+    if (theEventType == wxEVT_TASKBAR_MOVE) {
+        return false;
+    }
    
     return -1;
 #else