I got this Application Error the first time on 19-Aug-2012 when I booted my system after 9 days of inactivity and since then the issue happens exactly every 15 hrs.
I figured out it has to do with the Anonymous Usage Reports (AUR) module of BitDefender.
Don't know whether it is a BitDefender or a Windows issue.
I'm running
•Win7 Professional 64-bit SP1
•Internet Explorer 9
•BitDefender Internet Security 2011