I had the same problem as everyone else. Seemed to be only with dual core processors, so I looked up how to set the processor affinity for programs. Found another forum for a flight sim with the same problem. go to
http://forums.avsim.net/dcboard.php?...1083&mode=full
Follow the directions. You have to download an exe and put it in your system32 folder, then just run it from a cmd window. It's all there, and worked perfectly. Good luck.
Ded Tek