Windows Live OneCare helps keep your PC safe from viruses, spyware, and other threats. This all-in-one, always-on PC care service from Microsoft works continuously, automatically, and quietly in the background to keep your valuable files protected and your PCs virus-free and working their best.

The new version includes multi-PC and home network management, printer sharing support, start time optimizer, proactive fixes and recommendations, WiFi security, centralized backup, and online photo backup.