Could you please attach the file /var/log/dist-upgrade/apt- clone_system_state.tar.gz from the affected system? It appears apport did not have permissions to do so at the time you filed this bug.
** Changed in: update-manager (Ubuntu) Importance: Undecided => High ** Changed in: update-manager (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1040830 Title: Cannot upgrade from 10.04 to 12.04.1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1040830/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs