--- a/harvester/client/src/harvestereventobserverao.cpp	Tue Jul 06 14:44:37 2010 +0300
+++ b/harvester/client/src/harvestereventobserverao.cpp	Wed Aug 18 10:12:07 2010 +0300
@@ -126,6 +126,7 @@
 			iHarvesterClient.Send( EUnregisterHarvesterEvent, ipcArgs );
 			iObservers.Remove( i );
 			delete observer;
+			observer = NULL;
 			}
 		}