I installed avast 6.0, and just wanted to play Call Of Duty 2 multiplayer, she just throw out that PunkBuster is not running, I go watch a game while running in task manager, I want to start again, I look at Task Manager will not start cod2mp.exe more mileage but only a few hundred kb I was busy in the memory, there was such a process is that sf.bin, you want to start the browser will not start, do not want to restart the machine going.
Firewall: ZoneAlarm 8.0.020.000
XP Sp2
What can be done with it? Anything? Because if you can not put back an older avast.