I got a problem with most wanted

[300zxfairman]

im like 79% through the game i stared playin again yesterday.So here is the problem everytime i drive near a cop or a pursuit starts the game freezes and makes a strange noice it doesnt do that in other saved profiles it really pisses me off that i played so long on the game got so far and now it acts up does anyone else have the problem before u flame me yes i did check the disk no there are no scratches !