I just reinstalled on the same machine with the same CD using the same username containing an underscore and cannot recreate the issue. I'm not able to narrow this down any further right now.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/407639 Title: Invalid username input creates repeated alerts of invalid username -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs