Since uploading the last set of microsoft updates & service pack, I can't download critcal updates. Vista Home OS. I get the above error message.. Details are: Problem signature: Problem Event Name: APPCRASH Application Name: wuauclt.exe Application Version: 7.2.6001.784 Application Timestamp: 48816313 Fault Module Name: ntdll.dll Fault Module Version: 6.0.6001.18000 Fault Module Timestamp: 4791a7a6 Exception Code: c0000005 Exception Offset: 0003cffa OS Version: 6.0.6001.2.1.0.768.2