Hope someone can help Everytime I access the registry, try to backup the registry etc. I get the BSOD. I have managed to track the error to the following key: [HKEY_USERS\S-1-5-21-507921405-606747145-682003330-1003 \Software\Microsoft\Windows\ShellNoRoam\Bags] Unfortunately as soon as I click on the key, my machine crashes. I am running XP SP2 with all the latest patches. I have tested memory etc. I have tried various registry cleaners, but the same result, with the BSOD appearing almost at the end of the backup/clean. I have attached a few of the minidump files.