[xman26]

I have been running into some problems lately backing up some games. I am useing xiso v0.9.1 and after i make a xiso in tools and them i burn the image useing nero burning rom. Every game i have backed up when i put it in the xbox and try to boot the backup it comes up and says ( there's a problem with the disc you're useing. it may be dirty or damaged) Is the a softwear problem or what? I am useing memorex dvd- meda. Is it the way i am makeing the iso? am i doning something wrong?

please help!!