When i open my mission in multiplayer, the level difficulty thing pops up but when i click on easy, normal, hard or any mode, the sound goes d...d....d...d....dd....dd....d...d etc. the game doesn't load and nothing i do works. control alt delete doesn't work and the only way to stop it is to turn the computer off. plz give helpful reply. i have: pentium 3 850 mhz processor 128 ram 8 mb video card I BUY CZ GAME FROM CHINA! PLEASE HELP!