The CD itself has a feature to validate the CD at the boot screen. If you still have the disc you can try that. I'll close the bug now, but please open it again if you still see this issue on a later version of Ubuntu.
** Changed in: ubiquity (Ubuntu) Status: Unconfirmed => Rejected -- Installer crashed. https://launchpad.net/bugs/68235 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs