Originally Posted by
Stoo
It's something to do with data that's stored on the HD to save loading screens and some of the 60GB HD's cause problems.. 360's can clear their cache (Sp) and it helps.
It's FAR FAR more technical than that.. but that's I understood lol
Edited to add: Thank fuck you didn't lose all your data, when I heard I was like SHITE I've been telling folk to erase their game saves

yes you did

but ive been in work since i bought the game..so only 4 hours game play..i want the helicopter thats going to be AWESOME flying over the city
regarding the multiplayer is there 16 online..whats the deal just kill each other user