I'm having issues with COD4 and think it is something to do with punkbuster. I fitted a new harddrive and reinstalled my games along with my new graphics card, installed PB legacy on both CODWAW and COD4. CODWAW works fine but when I joined COD4 I get kicked for PB. I reinstall PB legacy but when I fire up COD4 my screen goes blank I can hear sound effects but can't do anything. I can't even alt tab out or ctrl alt delete, I have to shut off power. If I reinstall the game and not PB legacy I can start the game and play until PB kicks me. All of my other games work fine.
Its a shame because I like playing on COD4FT but after numerous uninstalls, reinstalls and the same with PB legacy, even someone with my patience has to call time on it. I guess its going to be BF4 and CODWAW for me now. Will miss playing with all Idiots and co on the COD4 servers though.