Sorry, but what does the above have to do with upgrade-system? The above sentence does not appear as a user prompt or error message in upgrade-system or any of the components it uses.
-- Bad sentence: "...cannot be canceled at any time later" https://launchpad.net/bugs/66173 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs