roxio media creator error

ok, so i am trying to make a copy of roxio media creator 9. im using magicISO to burn the image files to a disk, but when i try to install it, after installing a good portion of the first disk, it says there is an error.... tells me that the data1.cab file ha an error, and it cant continue... i know the file is there, i made sure of it, and it is intact. if someone could please tell me whats going on, or how i can fix the problem, i would apprecaite it.