See the following issue for a workaround without deleting your disk: https://launchpad.net/distros/ubuntu/+source/gparted/+bug/65080
-- Installing Ubuntu breaks Windows XP installation and ability to reinstall [I-Media 1507] https://launchpad.net/bugs/55447 -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
