I ran in this problem on Ubuntu 21.10 and the workaround suggested by Aslan Gencer worked. That is, I manually removed the ubuntu-desktop package, then returned to Software Updater and the partial upgrade was completed successfully.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/509924 Title: The package 'ubuntu-desktop' is marked for removal but it is in the removal blacklist To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/509924/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs