Given the mention of fixing a problem with locks, I'm going to mark this as invalid, since that might have been the cause for this mess.
There are a few upcoming solver changes in 20.10 maybe, that might or might not help, or might make it worse. The solver is fairly stupid. ** Changed in: update-manager (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1879178 Title: :Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1879178/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs