Fix it Center finds and fixes many common PC and device problems automatically. It also helps prevent new problems by proactively checking for known issues and installing updates. Fix it Center helps to consolidate the many steps of diagnosing and repairing a problem into an automated tool that does the work for you.
Downloadable for free from Microsoft and addresses a multitude of problems and fixes them for you.
http://fixitcenter.support.microsoft.com/Portal