So when I took my jtag over to my friends house,we played some fallout nv for about an hour and 30 min,then ,I finally got my copy of black ops to backup and so I used wx360 to make a folder of all the files,then we started to play the moon level in black ops zombies,it played good for a while,then it froze,restarted it booted it from fsd,worked a few more times then froze ,restarted,play different map,now keeps freezing everytime,please help