Anyone else having this issue? I used Comodo Firewall with the 2011 AV Pro trial with no issues. On uninstalling and installing 2012, suddenly every executable crashes on opening (including explorer and loginUI). Starting in safe mode and uninstalling BitDefender then fixed this. This process is entirely repeatable on this computer, but if I uninstall Comodo and then install BitDefender, the problem is fixed. Is there any way I can get Comodo working with BitDefender? For the moment I've given up and went back to Windows Firewall.
System in question: Dell Optiplex 745, Core 2 Duo, 3GB RAM, Windows 7 32-bit Pro. Firewall was the latest Comodo freeware firewall.