http://www.microsoft.com/athome/security/update/windows_live_safety_center.mspxGet a free safety scan for your computerWindows Live Safety Center helps tune up your computerWindows Live Safety Center is a new service that lets you scan your computer to help protect, clean, and keep it running at its best. The service is free and available directly from the Internet at http://safety.live.com. You can revisit the Windows Live Safety Center for subsequent tune ups as often as you like.How to use th 
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