This is very likly a problem with the dependencies of the update-notifier on the live-cd. The current version of the applet depends on update-manager (older version os update-notifier only recommended update-manager).
This is very likly a problem with the dependencies of the update-notifier on the
live-cd. The current version of the applet depends on update-manager (older
version os update-notifier only recommended update-manager).