try deleting the patch from game data utility then deleting save data utility and then try. if that doesnt work try and find something to back up the ps3 like a external harddrive and reformat the ps3 and reinstall everything like the updates and stuff. still doesnt work well then get you a 120 gb ps3 slim for 299 bucks!!! Thats a good deal im getting it just to have another one. please rep if this helps