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Microsoft Security Essentials (Beta) Free Antivirus Software

At a Glance
  • Security Essentials Beta

    PCWorld Rating

    An effective but somewhat slow utility, Microsoft Security Essentials will be a solid contender when it comes out of beta around the end of 2009.

At a Glance
  • PCWorld Rating

    An effective but somewhat slow utility, Microsoft Security Essentials will be a solid contender when it comes out of beta around the end of 2009.

    Pros

    • Nearly perfect in disabling infections
    • Good proactive detection

    Cons

    • Slow on-access scans
    • Merely decent malware detection

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