*** This bug is a duplicate of bug 32385 *** Thank you for your bug report. These are actually two different applications: one is for xscreensaver (which was the default screensaving application in Breezy), and the 2nd is for gnome-screensaver, the default application in Dapper.
The upgrade didn't remove xscreensaver that you had installed in Breezy and added gnome-screensaver since it comes by default in Dapper. This problem/feature was previously reported in bug 32385 ** This bug has been marked a duplicate of bug 32385 Screensavers option shown twice in System-Preferences menu -- Two screensavers under preferences https://launchpad.net/bugs/41027 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs