This error has been fixed in commit https://bitbucket.org/ubuntu-mate /ubuntu-mate-welcome/commits/f0dec4387f20390e74238c9286578481b277f6b3
However, I cannot reproduce this on a fresh 17.04 daily image where the only time the button would appear is a live session. ** Changed in: ubuntu-mate-welcome (Ubuntu) Status: New => Fix Committed ** Changed in: ubuntu-mate-welcome (Ubuntu) Assignee: (unassigned) => Luke Horwell (lah7) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1678582 Title: ubuntu-mate-welcome crashed with FileNotFoundError in _execute_child(): [Errno 2] No such file or directory: 'ubiquity' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-mate-welcome/+bug/1678582/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs