Microsoft Security Essentials

Microsoft Security Essentials 4.5

Free
Microsoft Security Essentials is one of the best antivirus programs available
4.0  (1,946 votes)
7.0
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Microsoft Security Essentials is one of the best antivirus programs available. It is located quietly in the taskbar using very litlle memory and CPU power. The realtime scanning prevents any malware from being run. Compared to other antivirus programs, Security Essentials has very little false-positives.

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