Either you have a bad DVD (burned that way or the original ISO was corrupted). If you download it and burned it, I suggest you check the ISO with the md5sum that should be in the same directory on the server you downloaded SUSE from. If that doesn't help, try downloading a different distribution
http://distrowatch.com .
BTW, SUSE isn't
Linux it's a Linux distribution or distro. There are probably close to a thousand distro's.