According to the VarLogDistupgradeAptlog.txt file, some Ubuntu dependencies on your computer are broken. Open a terminal window and enter these lines (one at a time, in order):
sudo apt-get update sudo apt-get autoclean sudo apt-get clean sudo apt-get autoremove This will fix and clean your broken dependecies -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1474010 Title: unable to upgrade from 14.04 to 14.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1474010/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs