*** This bug is a duplicate of bug 346386 *** https://bugs.launchpad.net/bugs/346386
I had this bug and fixed it by the following. Make sure you are authenticated before running the rm. sudo rm /var/lib/apt/lists/* -vf sudo apt-get clean sudo apt-get update sudo apt-get upgrade I m very thankfull to Launchpad user "xillix" for a very simple and prompt solution. thanks a lot ! Please close this bug event. thanks all of u for support... -- Hitendra Pandya -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/804983 Title: update manager stucks in middle of process To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/804983/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs