If your desktop environment uses xscreensaver, you should simply not have the gnome-screensaver package installed. If the gnome-screensaver package isn't installed, the dbus service file isn't there.
** Package changed: gnome-screensaver (Ubuntu) => lxde-common (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-screensaver in ubuntu. https://bugs.launchpad.net/bugs/726480 Title: gnome-screensaver forces itself upon xscreensaver users -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs