I use Windows 7 Ultimate 64bits, and today after installing BitDefender 2012 Internet Security the software for my phone stopped working (Sony Ericsson PC Companion), I tried reinstalling the PC Companion, but the system would freeze every time. I decided to remove Bit Defender, after that Sony Ericsson PC Companion started working again.
So I'm guessing that Bit Defender is giving it a false positive detection.
Is there a way to prevent this from happening or should I install an older version of BitDefender? I've been using BitDefender since 2008 and the last version 2011 was really bad on the resources and made my system slow, reason why I was updating for the 2012 version.