Vipre Antivirus Premium
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Full user review
"Great Protection Without Sacrificing Performance"
Excellent antivirus, solid firewall, negligible performance hit, inexpensive.
Lacking some of the features of other suites such as parental controls if that is important to you. Truth is that lack of some of the questionable, "everything but the kitchen sink" features found in other suites may explain the better performance.
For the past 6 months, I have been trying to find a full security suite that did not bring my system (Quad core processor, 4 GB Ram, Windows 7) to its knees. I had been trying to find something to replace Kaspersky Internet Security 2010 which provided solid protection along with serious system performance degradation and poor customer support. I tried Comodo, AVG, Zone Alarm and others, all of which came with a significant performance hit and other irritants. I was ready to give up and concede that the cost of using a security suite was slow boots, sluggish web browsing, time-consuming program launches and mind-numbing scans. However Vipre Antivirus Premium 4 proved that a security suite can be effective without negatively impacting your system's performance. Vipre Antivirus Premium 4 does its job quietly and efficiently and it costs much less than most of the overrated security suites I have tried ($39 for single user or $69 for unlimited 'home license' [all of the PC's in your home]). An impressive product!