Your sources.list file for the Ubuntu archive only contains the following line:
deb http://archive.ubuntu.com/ubuntu/ xenial-updates main universe multiverse You also should enable the release and security pockets by adding the following lines: deb http://archive.ubuntu.com/ubuntu/ xenial main universe multiverse deb http://archive.ubuntu.com/ubuntu/ xenial-security main universe multiverse After that the upgrade should proceed. ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1758864 Title: Invalid package information To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1758864/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
