I am trying to backup Project Gotham Racing. I used FlashFxp to get the file to my computer. I used XISO to create the ISO and used Easy Cd Creator 6.0 to burn the ISO on Imation DVD-RW with a Sony DVD-/+RW burner. The game worked on the DVD-RW so I burned it to a Princo DVD-R. It worked for a few days then it quit working, and I got a black screen with white writing saying the DVD was dirty or damaged. I have since used SimpleX ISO to create the ISO file and ECDC to burn on the same DVD-RW & a new Ritek DVD-R and I still get the same error. I used another Xbox with a mod chip and I get the same results. What can I do? Am I doing something wrong? Do I need to clean the laser or adjust the laser? I am sure that both of the Xbox drives are Thompson. Please Help!!!