Comment 3 for bug 76632

I have the same problem.
Here is my aptitude show gnome-screensaver :

"Package: gnome-screensaver
State: installed
Automatically installed: no
Version: 2.17.4-0ubuntu1
Priority: optional
Section: gnome
Maintainer: Ubuntu Core Developers <email address hidden>
Uncompressed Size: 4149k
Depends: libart-2.0-2 (>= 2.3.16), libatk1.0-0 (>= 1.12.2), libbonobo2-0 (>=
         2.15.0), libbonoboui2-0 (>= 2.15.1), libc6 (>= 2.5-0ubuntu1), libcairo2
         (>= 1.2.4), libdbus-1-3 (>= 0.94), libdbus-glib-1-2 (>= 0.72),
         libexif12, libfontconfig1 (>= 2.4.0), libfreetype6 (>= 2.2),
         libgconf2-4 (>= 2.13.5), libgl1-mesa-glx | libgl1, libglade2-0 (>=
         1:2.5.1), libglib2.0-0 (>= 2.12.0), libgnome-keyring0 (>= 0.7.1),
         libgnome-menu2 (>= 2.15.4), libgnome2-0 (>= 2.14.1), libgnomecanvas2-0
         (>= 2.11.1), libgnomeui-0 (>= 2.16.0), libgnomevfs2-0 (>= 2.16.0-1),
         libgtk2.0-0 (>= 2.10.3), libice6 (>= 1:1.0.0), liborbit2 (>= 1:2.14.1),
         libpam0g (>= 0.76), libpango1.0-0 (>= 1.15.1), libpng12-0 (>=
         1.2.15~beta5), libpopt0 (>= 1.10), libsm6, libx11-6, libxau6,
         libxcursor1 (> 1.1.2), libxext6, libxfixes3, libxi6, libxinerama1,
         libxml2 (>= 2.6.27), libxrandr2, libxrender1, libxss1, libxxf86misc1,
         libxxf86vm1, zlib1g (>= 1:1.2.1), gconf2 (>= 2.12.1-4ubuntu1)
Recommends: xscreensaver-data, xscreensaver-gl, rss-glx
Description: a screen saver and locker
 gnome-screensaver is a screen saver and locker that aims to have simple, sane,
 secure defaults and be well integrated with the desktop. It is designed to
 support:

 * the ability to lock down configuration settings
 * translation into other languages
 * user switching"

I do have Feisty ;)
Thanks for your job.