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Top 5 Free Antivirus for 2011

Avast Free Antivirus tops our rankings due to its solid detection and friendly interface; Avira AntiVir Personal is a close second, however, on the strength of its malware detection and removal.

Rating & Price
Products
PCWorld Rating

Avast Free Antivirus 5

Avast Free Antivirus is a well-rounded free antivirus package: It does a solid job at blocking malware, has a pleasant interface, and scans files quickly.

Full Review - Rated: November 29, 2010
PCWorld Rating

Avira AntiVir Personal Free AntiVirus 10

Avira AntiVir Personal does an great job at blocking and detecting malware, but its interface needs a makeover.

- Rated: November 29, 2010
PCWorld Rating

Microsoft Security Essentials 1.0

Microsoft Security Essentials is easy to use, but it lags behind newer products at detecting malware.

Full Review - Rated: November 29, 2010
PCWorld Rating

Panda Cloud Antivirus 1.0

Panda Cloud Antivirus is easy to use, but its scanning speeds are slower than average. Look for the Cloud Antivirus 1.3 update, which the company says should improve its attack-blocking capabilities.

Full Review - Rated: November 29, 2010
PCWorld Rating

Comodo Internet Security Premium 5.0

Comodo Internet Security Premium did a good job at blocking brand-new malware and has a firewall, but its inconsistent overall detection performance makes it tough to recommend.

Full Review - Rated: November 29, 2010
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