Avira Antivirus update wreaks havoc on millions of PCs | ICT Security-Sécurité PC et Internet | Scoop.it
From www.net-security.org - May 15, 2012 4:00 PM

If you are a user of any of the paid versions of Avira's various antivirus and security software and you have tried to update it/them in the last 24 hours, chances are that you're now sitting before a crippled PC, wondering what happened.

So what did happen?

 

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...