When I click the Windows Back up program (to back up my system)in Windows there is a pop upessage that says "The back up application could not start due internal error: The speceified service does not exist as an installed service. (0x80070424)."Is there a solution to this?MR Knut

Hi, Thanks for trying out Windows Backup. There is already a thread around the same problem. Please follow instructions mentioned there. If it helps out please let us know.This is the link to the thread:http://social.technet.microsoft.com/Forums/en-US/w7itprogeneral/thread/55f5fe3a-a1cb-4855-ba4d-73f32c202246Thanks,Neha[MSFT]