Negative Positive
Title: Don't use if you ever want to play games!
Review: After installing NAV 5, a whole slew of games of mine would crash by locking up computer. I had to hard boot to get things back in order. I took me serveral attempts trying different graphic drivers and hardware components to track down the cause. On a hunch, I uninstalled NAV and installed avast! 5.0. Since then, my computer has been running like a champ.NAV is expensive and it just does not work right (much in the same way as their Norton Works didn't). I recommend avast! 5.0, but there are several other highly recommnened and cheaper anti-virus solutions on site like download.com and tucows.com
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