02-26-2013 03:51 PM
KB 2709236 on Microsoft's website reveals that "0x00000050 Stop error when Windows tries to back up registry hives on a computer that is running Windows Vista SP2 or Windows Server 2008 SP2"
Hotfix is available.
This was causing problems for us when we did Open File Backups.
02-26-2013 04:14 PM
Thank for sharing information!