This is an error with the files becoming corrupt on your disk or during the download process. Try manually removing all the files in /var/lib/apt/lists/partial/ and then upgrading again.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1355971 Title: error during upgrade to ubuntu 14.4 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1355971/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
