package fglrx 2:8.960-0ubuntu1 [modified: usr/lib/fglrx/etc/ati/amdpcsdb.default usr/lib/fglrx/etc/ati/authatieventsd.sh usr/lib/fglrx/etc/ati/control usr/lib/fglrx/etc/ati/signature] failed to install/upgrade: subprocess new pre-installation script returned error exit status 1

on lenovo x121e

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: fglrx 2:8.960-0ubuntu1 [modified: usr/lib/fglrx/etc/ati/amdpcsdb.default usr/lib/fglrx/etc/ati/authatieventsd.sh usr/lib/fglrx/etc/ati/control usr/lib/fglrx/etc/ati/signature]
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
Uname: Linux 3.2.0-29-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu12
AptOrdering:
 fglrx: Install
 fglrx: Configure
Architecture: amd64
Date: Fri Aug 31 17:59:32 2012
ErrorMessage: subprocess new pre-installation script returned error exit status 1
InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111011)
SourcePackage: fglrx-installer
Title: package fglrx 2:8.960-0ubuntu1 [modified: usr/lib/fglrx/etc/ati/amdpcsdb.default usr/lib/fglrx/etc/ati/authatieventsd.sh usr/lib/fglrx/etc/ati/control usr/lib/fglrx/etc/ati/signature] failed to install/upgrade: subprocess new pre-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-04-28 (125 days ago)