This usually indicates that another package manager application application is still running.
Could you please paste the output of lsof | grep /var/lib/apt/lists/lock executed in a command line terminal. Thanks ** Changed in: Ubuntu Assignee: (unassigned) => Ralph Janke Status: Unconfirmed => Needs Info -- Update Manager stops updating from repositories. https://bugs.launchpad.net/bugs/111933 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