diff -r 63c982fb92f2 -r b73252188534 metadataengine/client/src/mdenotifierao.cpp
--- a/metadataengine/client/src/mdenotifierao.cpp	Thu Jul 15 19:07:24 2010 +0300
+++ b/metadataengine/client/src/mdenotifierao.cpp	Thu Aug 19 10:20:41 2010 +0300
@@ -66,6 +66,7 @@
     {
     Cancel(); // Causes call to DoCancel()
     delete iDataBuffer;
+    iDataBuffer = NULL;
     iIdArray.Close();
     iRelationItemArray.Close();
     }