If you can tolerate some sluggishness, F-Secure Internet Security 2012 ($60 for one year and three PCs as of January 25, 2012), which placed eighth in our 2012 roundup of security suites, will protect your PC pretty well.
Effective at blocking malware
Occasionally sluggish performance
The latest F-Secure suite is quite capable of keeping your machine safe, but it may drag your PC down at times.
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