@Jean-Baptiste Lallement If you look at the file I uploaded in #3 you will see the first error was
Err http://us.archive.ubuntu.com/ubuntu zesty Release 404 Not Found [IP: 2001:67c:1562::19%3 80] which (in my opinion) is a consequence of the circular reference. Have you looked at that server? -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1743995 Title: Upgrade 17.04 to 17.10 not possible To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1743995/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
