05-15-2012 01:01 PM - edited 05-15-2012 01:18 PM
Well, it seems that the new update makes the AntiVirProActiv component - not present only in the company's free offering - erroneously detect critical Windows processes as malware and automatically terminate them.
It also blocks other popular Microsoft and third party software, and sometimes even prevents Windows from booting at all.
Details: http://www.net-security.org/secworld.php?id=12935
http://www.zdnet.com/blog/security/avira-antivirus
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