Index: /source/ariba/utility/system/Timer.cpp
===================================================================
--- /source/ariba/utility/system/Timer.cpp	(revision 7758)
+++ /source/ariba/utility/system/Timer.cpp	(revision 7821)
@@ -56,6 +56,8 @@
 #ifndef UNDERLAY_OMNET
 	stop();
-	delete timerThread;
-	timerThread = NULL;
+	if(timerThread != NULL){
+		delete timerThread;
+		timerThread = NULL;
+	}
 #endif // UNDERLAY_OMNET
 }