I downloaded the 3 iso images and noticed the disc 1 i burned was fubared, the disc didnt boot and rawrite.exe was corrupt, burned the boot.img from 7.3 disc 1 with another rawrite.exe i had and the ...
RedHat should have a file on their FTP (or wherever you got the ISO from) called md5sums, in it will be a checksum for the file, run md5sum on the ISO you have and see if it matches.
If you don’t have permission error troubles you when mounting an ISO image, then this post may help. The complete error message reads: Couldn’t Mount File, You ...