http://download.cnet.com/AVG-Anti-Virus-Free-Edition/3000-2239_4-10320142.html
http://www.cnet.com/topic-software/avg-anti-virus.html
http://en.wikipedia.org/wiki/AVG_(software)#History
http://download.cnet.com/AVG-Anti-Virus-Free-Edition/3000-2239_4-10320142.html?tag=lia;rcol
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http://thedigitallabyrinth.blogspot.com/2010/05/avira-security-software.html