I retested Lubuntu iso 18.11.2020 and once again had the failure.
After further testing I see that this affects all flavors so I will a new bug report with more and the latest info. The new report is #1904866 : https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1904866 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1904269 Title: Apply full upgrade - fails with no error message To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1904269/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
