badboyste

hi all i was wandering if any body could help i have been copying xbox 360 games for ages now using imgburn but needed to reflash my xbox after xbox live update this year after that my copied games wont work and when i copy a game its not even saying theres a game in my drive its loading then just says open tray aam i doing anything wrong if any 1 can help id be well pleased as this is costing me many disks