is this a downloaded copy ? dopeman ?
its just i had a problem with that he ripped the music and videos from it and then realised it didnt work so he put them bak on the net nd u have to download them.....
anyway if its legit have u tried backing up your career . goto my documents and copy the NFS Most Wanted folder, paste it to another directory and start a new career just incase your save file is corrupt.
if that fails try reinstalling it