Thank you for reporting this bug to Ubuntu. Ubuntu 16.04 (xenial) reached end-of-standard-support on April 29, 2021.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases The installation reports your system was installed only one day ago using EOL media; I'd suggest starting again with a supported release of Ubuntu (standard support unless you plan on using ESM or extended support which is required for Xenial/16.04 from 30-April-2021) We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please install a supported release of Ubuntu version and re-test. If you then find the bug is still present in a supported Ubuntu version, please add a comment here telling us which new version it is in. ** 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/1954693 Title: I can not upgrade To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1954693/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs