I'm seeing the same problem in an upgrade from dapper to edgy using update-manager -c -d. It stops the install, leaving the upgrade half- finished.
-- Upgrade fails. /etc/init.d/nscd stop returns exit code 1 when not running https://launchpad.net/bugs/47904 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs