The beta version of Microsoft Security Essentials, a free program that fights viruses and spyware, is now available for download

Jeff Bertolucci, PC World
Jun 23, 2009 3:51 pm.

 The app, previously code-named Morro, replaces Windows Live OneCare and fights the usual rogues' gallery of PC threats, including worms, Trojans, and other troublemakers.

Security Essentials runs on Windows XP, Vista, or Windows 7 (beta or release candidate), and does pretty much what any good anti-malware app should do. It automatically downloads virus and spyware definitions; offers real-time protection that scans downloads and attachments, and looks for suspicious file and program activity; and runs unattended scans at a time that works best for you
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