Kaspersky internet security is very highly acclaimed and has great reviews!
-Kaspersky Internet Security 2011 delivers essential anti-virus protection with advanced features such as a best-in-class firewall, anti-spam, and more
-Hourly signature updates, best-in-class unknown threat protection, and application alerts give you complete confidence
-Safe Desktop allows you to safely open any suspicious application, file, email or web site
-Enhanced parental controls to limit or log activities and communications
-Small footprint, tiny updates and intelligent scanning lets your machine perform to the max
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