package fglrx (not installed) failed to install/upgrade: subprocess new pre-installation script returned error exit status 1

[Jerome]

Error : number of broken packages >0

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: fglrx (not installed)
ProcVersionSignature: Ubuntu 2.6.32-24.39-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic i686
AptOrdering:
 fglrx: Install
 fglrx-amdcccle: Install
 fglrx: Configure
 fglrx-amdcccle: Configure
Architecture: i386
Date: Sun Aug 15 14:26:03 2010
ErrorMessage: subprocess new pre-installation script returned error exit status 1
GdmLog2: X: /tmp/.X11-unix has suspicious mode (not 1777) or is not a directory, aborting.
MachineType: TOSHIBA Satellite A300
ProcCmdLine: root=UUID=9b0abd87-b600-40f0-ad51-198c20311b8e ro quiet splash
SourcePackage: fglrx-installer
Title: package fglrx (not installed) failed to install/upgrade: subprocess new pre-installation script returned error exit status 1
dmi.bios.date: 10/14/2008
dmi.bios.vendor: INSYDE
dmi.bios.version: 1.60
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Portable PC
dmi.board.vendor: TOSHIBA
dmi.board.version: Base Board Version
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnINSYDE:bvr1.60:bd10/14/2008:svnTOSHIBA:pnSatelliteA300:pvrPSAGCE-02000VFR:rvnTOSHIBA:rnPortablePC:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: Satellite A300
dmi.product.version: PSAGCE-02000VFR
dmi.sys.vendor: TOSHIBA
system:
 distro: Ubuntu
 codename: lucid
 architecture: i686
 kernel: 2.6.32-24-generic