To be fair, that is not "the desktop wanting to uninstall itself", as if it is a problem in Plasma, but it is the package manager wanting to uninstall the deskt

To be fair, that is not "the desktop wanting to uninstall itself", as if it is a problem in Plasma, but it is the package manager wanting to uninstall the desktop. It seems to be a problem with the Ubuntu packages. If the same thing happened a few times, maybe it is time for a bugreport at Ubuntu.