I bought cod black ops yesturday and it worked out great... then couple hours later my baby brother tripped on my xbox .... then my disk made these weird noises./ I checked the cd if there were any scratches... it had a small circle scratch it wasnt that bad... I played the game the campaign / nazi zombie mode online worked out great... accept for the multiplayer... it keeps freezin when I tried to connect to xbox live..... can I get a renew game ???? is it possible to fix? I bought a disk cleaner and repair kit and it still dont work.. please HELP MEH!!!