diff -r 7c5dd702d6d3 -r f93c875b566e uiacceltk/hitchcock/AlfDecoderServerClient/src/alfcompositionclient.cpp
--- a/uiacceltk/hitchcock/AlfDecoderServerClient/src/alfcompositionclient.cpp	Tue May 11 17:03:00 2010 +0300
+++ b/uiacceltk/hitchcock/AlfDecoderServerClient/src/alfcompositionclient.cpp	Tue May 25 13:39:57 2010 +0300
@@ -1363,6 +1363,10 @@
 
 EXPORT_C void CAlfEffectObserver::SetDistractionWindow(const RWindowTreeNode& aWindow, TInt aState)
     {
+    if (!&aWindow)
+        {
+        return;
+        }
     iData->iClient.SendSynch(EAlfSetDistractionWindow, TIpcArgs(aWindow.WindowGroupId(), aWindow.ClientHandle(), aState));
     }