The real error here is the message regarding dpkg returning an error code. Please add the log files from your upgrade attempt, found in /var/log/dist-upgrade or by using 'apport-collect 1686045'.
Thanks! ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1686045 Title: Upgrade from 16.10 to 17.04 failed due to missing ./xorg_fix_proprietary.py To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1686045/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs