diff -r 7333d7932ef7 -r 8b7f4e561641 installationservices/swi/source/sisregistry/server_legacy/siscontrollerverifier.cpp
--- a/installationservices/swi/source/sisregistry/server_legacy/siscontrollerverifier.cpp	Tue Aug 31 15:21:33 2010 +0300
+++ b/installationservices/swi/source/sisregistry/server_legacy/siscontrollerverifier.cpp	Wed Sep 01 12:22:02 2010 +0100
@@ -96,9 +96,11 @@
 void CSisControllerVerifier::CompleteRequestL()
 	{
 	TPckg<TBool> packageResult(isVerified);
-
-	iMessage.WriteL(EIpcArgument0, packageResult);
-	iMessage.Complete(KErrNone);
+	if ( !iMessage.IsNull() )
+		{
+		iMessage.WriteL(EIpcArgument0, packageResult);
+		iMessage.Complete(KErrNone);
+		}
 	}
 	
 TInt CSisControllerVerifier::RunError(TInt)