backup problem !!

[ruffets]

k do0ds im a noob to the xbox scene

but recently backed up my first game (splinter cell)
copied the files from box 2 pc then used xiso (also tried just burning the files) but the wont work on my box !!

my m8 has a x-ecuter chip in his box & they work fine (mine is x-terminator) every game ive downloaded & burned has worked fine so far , so ive no idea wat im doing wrong HELP!!

do i have 2 patch the game b4 i burn it ?? if so how do i go about that


thnx in advance people