The exception in eventvwr is as below:
Microsoft Dynamics AX Business Connector Session 35.
Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
at AxCore_CreateObject(UInt32* , Char* , tagVARIANT* , Int32 ) at Microsoft.Dynamics.BusinessConnectorNet.Axapta.CreateAxaptaObject(String className, Object paramList)