I had this problem when I went back to the first step of the installer, and right when I clicked update this installer it triggered the error.
-- ubiquity crashed with IndexError in on_region_combo_changed() https://bugs.launchpad.net/bugs/521851 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
