package nvidia-current 260.19.06-0ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[adrienbruno.u]

ubuntu 10.10 has been installed on a usb mass storage.

ProblemType: Package
DistroRelease: Ubuntu 10.10
Package: nvidia-current 260.19.06-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-22.33-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
Architecture: i386
DRM.card0.DVI.D.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
DRM.card0.LVDS.1:
 status: connected
 enabled: enabled
 dpms: On
 modes: 1440x900 1152x864 1024x768 800x600 640x480 720x400 640x400 640x350
 edid-base64: AP///////wAyDOAAAAAAAAAQAQOAHhN4Cq4QllhTjCgkUFQAAAABAQEBAQEBAQEBAQEBAQEBuSKgoFCEGjAwIDYAML4QAAAYuSKgoFCEGjAwIDYAML4QAAAAAAAA/gBKVzgwNAAxNDFXUDEKAAAA/gAfLzc/b4ef1wIBCiAgAFY=
DRM.card0.VGA.1:
 status: disconnected
 enabled: disabled
 dpms: Off
 modes:
 edid-base64:
Date: Tue Dec 14 20:13:34 2010
DkmsStatus:

ErrorMessage: subprocess installed post-installation script returned error exit status 1
GdmLog1: Error: command ['cat', '/var/log/gdm/:0.log.1'] failed with exit code 1: cat: /var/log/gdm/:0.log.1: No such file or directory
GdmLog2: Error: command ['cat', '/var/log/gdm/:0.log.2'] failed with exit code 1: cat: /var/log/gdm/:0.log.2: No such file or directory
LiveMediaBuild: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
MachineType: Dell Inc. Latitude D620
PccardctlIdent:
 Socket 0:
   no product info available
PccardctlStatus:
 Socket 0:
   no card
ProcCmdLine: noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash -- debian-installer/language=fr console-setup/layoutcode?=fr console-setup/variantcode?=oss maybe-ubiquity
SourcePackage: nvidia-graphics-drivers
Title: package nvidia-current 260.19.06-0ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
dmi.bios.date: 04/03/2007
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 0KX350
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvrA08:bd04/03/2007:svnDellInc.:pnLatitudeD620:pvr:rvnDellInc.:rn0KX350:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude D620
dmi.sys.vendor: Dell Inc.
glxinfo: Error: [Errno 2] Aucun fichier ou dossier de ce type
system:
 distro: Ubuntu
 codename: maverick
 architecture: i686
 kernel: 2.6.35-22-generic