i got gears of war judgement from a guy i always buy my backups from.i play it but then like after 10min i keep getting disk unreadable.then i installed it and it says can't authorize disk and restarts my whole xbox.i restarted it but then e66 came up.i restarted it but i don't know every game i bought from him worked but judgement. Now the only error im getting is disk unreadable .is there anything u can think of thats wrong?please help
