Brief Description
Microsoft Fix it troubleshooters help you automatically diagnose and repair common computer problems, and provide you with the next steps to take if your problems aren’t fixed. From the list in this article, download and run the Mats_run.exe file whose name most closely matches the issue that you are experiencing.
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=3db356d3-527e-433f-8c41-5295789ec8fe