Has anybody any idea why after about 10-20 mins of flying my FS2002 program crashes & it is always caused by atc.dll. I have tried uninstalling & deleting the directory and then a fresh new install with no extra aircraft scenery etc. I have also tried uninstalling my Radeon drivers, going to the registry and deleting anything to do with Radeon in there, all to no avail. My PC runs fine without any lockups from any other programs. I am running an AMD 2000+ (I

Do you have ATC (AI) traffic turned ON? If so, set it to zero percent and see if it stops the problem. If it doesn't stop the problem, reset the percentage to your liking.Do you use the ATC to request taxi, takeoff, etc? Do you hear the ATC voices? If not, you may need to install the audio codecs for compressed audio.

I've tried reinstalling FS2002 into another partition and running it without any addons etc