Have you tried the command `sudo apt-get do-release-upgrade` in Terminal? Also try `sudo apt-get do-release-upgrade -d` (this normally upgrades you to the development branch (currently 15.04) but since it can only go from 12.04 to 14.04 it will just do that) (both without backticks (``)).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1395519 Title: unable to upgrade ubuntu 14.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1395519/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
