Truc de OUF
«aptitude search» show me that nothing is installed
But «aptitude show fglrx-updates» tell me that the package is already installed

eric@bilbo:~$ sudo aptitude search fglrx
p   fglrx                                                                             - Video driver for the AMD graphics accelerators                                              
p   fglrx-amdcccle                                                                    - Catalyst Control Center for the AMD graphics accelerators                                   
p   fglrx-amdcccle-updates                                                            - Catalyst Control Center for the AMD graphics accelerators                                   
v   fglrx-control                                                                     -                                                                                             
v   fglrx-control                                                                     -                                                                                             
p   fglrx-dev                                                                         - Video driver for the AMD graphics accelerators (devel files)                                
v   fglrx-driver                                                                      -                                                                                             
v   fglrx-driver                                                                      -                                                                                             
v   fglrx-driver-dev                                                                  -                                                                                             
v   fglrx-driver-dev                                                                  -                                                                                             
p   fglrx-updates                                                                     - Video driver for the AMD graphics accelerators                                              
p   fglrx-updates-dev                                                                 - Video driver for the AMD graphics accelerators (devel files)                                
eric@bilbo:~$ aptitude show fglrx-updates
Paquet : fglrx-updates                        
Nouveau: oui
État: installé
Automatiquement installé: non
Version : 2:8.911-0ubuntu0.1
Priorité : supplémentaire
Section : restricted/misc
Responsable : Ubuntu Core Developers <email address hidden>
Taille décompressée : 170 M
Dépend: libc6 (>= 2.3.3), libfontconfig1 (>= 2.8.0), libfreetype6 (>= 2.2.1), libgcc1 (>= 1:4.1.1), libice6 (>= 1:1.0.0), libqtcore4 (>= 4:4.5.3), libqtgui4 (>= 4:4.5.3), libsm6,
         libstdc++6 (>= 4.1.1), libx11-6, libxcursor1 (> 1.1.2), libxext6, libxfixes3, libxinerama1, libxrandr2, libxrender1, libxxf86vm1, xserver-xorg-core, lib32gcc1, libc6-i386,
         dkms, make, linux-libc-dev, linux-headers-generic | linux-headers
Recommande: fglrx-amdcccle-updates
Est en conflit: fglrx-driver, fglrx-driver, fglrx-kernel-source, fglrx-kernel-source, fglrx-modaliases, fglrx-modaliases, libamdxvba1, libamdxvba1, xfree86-driver-fglrx,
                xfree86-driver-fglrx, xorg-driver-fglrx, xorg-driver-fglrx, fglrx-updates
Remplace: fglrx, fglrx, fglrx-driver, fglrx-driver, fglrx-kernel-source, fglrx-kernel-source, fglrx-modaliases, fglrx-modaliases, libamdxvba1, libamdxvba1, xfree86-driver-fglrx,
          xfree86-driver-fglrx, xorg-driver-fglrx, xorg-driver-fglrx
Fournit: fglrx-driver
Description : Video driver for the AMD graphics accelerators
 Video driver for the AMD Radeon and FireGL graphics accelerators. 
 
 This package provides 2D display drivers and hardware accelerated OpenGL.
Site : http://support.amd.com