Thank you for your report! This is not a bug.
You should type your password carefully, also you should mention the active keyboard layout (if using more then one layout). Upgrade process may take a long time dependently on your internet connection bandwith and hardware, and disturbing it will lead to problems. ** Changed in: ubuntu Status: New => Invalid -- version upgrade crashes when screen is locked https://bugs.launchpad.net/bugs/156570 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs