You have a version of base-files installed which is not from the official Ubuntu archive and which is likely providing incorrect information in the file '/etc/os-release' indicating that your system is running zesty when in fact it is running yakkety. This leads to the upgrader trying to upgrade your sytems from zesty to artful which is failing possibly because of the incorrect information in '/etc/os- release'. Please paste the contents of '/etc/os-release' as a comment to this bug report so I can confirm my suspicion. Thanks in advance.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1711606 Title: ubuntu 16.10 does not upgrade to ubuntu 17.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1711606/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
