Based on other similar reports, I believe that this is essentially a nUbuntu bug. They don't preinstall the console-setup package on the live CD, which Ubiquity needs. Please report this to them if they don't have a more recent version available.
** Changed in: ubiquity (Ubuntu) Status: Incomplete => Invalid -- grub error during nubuntu installation https://bugs.launchpad.net/bugs/90344 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