Jonathan, sorry about this. This bug was wrongly marked as a duplicate (it's quite probable that it is a duplicate, but of another bug).
** This bug is no longer a duplicate of bug 61598 Installer Crashed -- Installer Crashed https://launchpad.net/bugs/55577 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs