Hi Andrew,
'The Application has stopped working' refers to your add on or the whole SBO Application crashed ?
You mentioned report, is it a Crystal Report or how is the report generated ?
If you suspect this is because of the time out issue, check this thread :
System call failed. (Exception HRESULT: 0x80010100 (RPC_E_SYS_CALL_FAILED))
Regards
Edy