package fglrx 2:8.723.1-0ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 10

[Beorn]

ati pripietary driver package wont install. Video card ATI Radeon HD 5870

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: fglrx 2:8.723.1-0ubuntu4
ProcVersionSignature: Ubuntu 2.6.32-24.43-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic x86_64
Architecture: amd64
Date: Tue Sep 21 20:04:21 2010
DkmsStatus: fglrx, 8.723.1: added
ErrorMessage: subprocess installed post-installation script returned error exit status 10
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
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
MachineType: Alienware Aurora
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic root=UUID=d4b97b38-7be6-4ec4-adc8-e8b9b9de1e1c ro quiet splash
SourcePackage: fglrx-installer
Title: package fglrx 2:8.723.1-0ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 10
dmi.bios.date: 02/09/2010
dmi.bios.vendor: Alienware
dmi.bios.version: A07
dmi.board.name: 04VWF2
dmi.board.vendor: Alienware
dmi.board.version: A01
dmi.chassis.type: 3
dmi.chassis.vendor: Alienware
dmi.modalias: dmi:bvnAlienware:bvrA07:bd02/09/2010:svnAlienware:pnAurora:pvr00:rvnAlienware:rn04VWF2:rvrA01:cvnAlienware:ct3:cvr:
dmi.product.name: Aurora
dmi.product.version: 00
dmi.sys.vendor: Alienware
glxinfo: Error: [Errno 2] No such file or directory
system:
 distro: Ubuntu
 codename: lucid
 architecture: x86_64
 kernel: 2.6.32-24-generic