In case other people have this problem, I have been able to work around it by using the procedure given in the answer to this StackOverflow post: https://askubuntu.com/questions/458201/how-can-i-upgrade-ubuntu- to-newer-release-manually-without-using-update-manager
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1901173 Title: Updating focal to groovy fails To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager-core/+bug/1901173/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
