Public bug reported: to reproduce, use this command: sudo update-manager -c -d --dist-upgrade
After some checks, following alert appeared: Can't install 'ubuntu-desktop' ** Affects: update-manager (Ubuntu) Importance: Undecided Status: Unconfirmed -- Can't upgrade from development version of EdgyEft Can't install 'ubuntu-desktop' https://launchpad.net/bugs/67705 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs