diff -r aa5a574040a4 -r a93990e5815e metadataengine/client/src/mdenotifierao.cpp
--- a/metadataengine/client/src/mdenotifierao.cpp	Tue Jul 06 14:44:37 2010 +0300
+++ b/metadataengine/client/src/mdenotifierao.cpp	Wed Aug 18 10:12:07 2010 +0300
@@ -66,6 +66,7 @@
     {
     Cancel(); // Causes call to DoCancel()
     delete iDataBuffer;
+    iDataBuffer = NULL;
     iIdArray.Close();
     iRelationItemArray.Close();
     }