Avira AntiVir Free by Avira GmbH

[Avira AntiVir Free] You can't go wrong with free. Avira AntiVir is one of the most popular free anti-virus programs for Windows users. While it's light on performance and very efficient, users complain about the splash screen and the lack of full access that the program should have on the system.

There is no perfect anti-virus program for free, but give both this and avast! a try, and see which you prefer. People tend to have a strong preference for one or the other.

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