Can you please attach /var/log/installer/syslog from the installed machine (or /var/log/syslog from the live environment after the error, if you're installing again)? I suspect this is a duplicate of bug 534473, but wont know for sure until I see the syslog.
** Changed in: ubiquity (Ubuntu) Status: New => Incomplete -- Ubiquity - apt configuration problem https://bugs.launchpad.net/bugs/539347 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs