package fglrx-experimental-9 2:9.010-0ubuntu0.1 [modified: usr/lib/fglrx/switchlibGL usr/lib/fglrx/switchlibglx usr/share/ati/lib64/libQtCore.so.4 usr/share/ati/lib64/libQtGui.so.4] failed to install/upgrade: subprocess new pre-installation script returned error exit status 1

[dimexius]

i have a problem with my ATI driver in Ubuntu & I using default Ubuntu drivers now.
Update manager propose me to install this package & I hope that update of fglrx package helps me..
But it was an errors during the package installation.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: fglrx-experimental-9 2:9.010-0ubuntu0.1 [modified: usr/lib/fglrx/switchlibGL usr/lib/fglrx/switchlibglx usr/share/ati/lib64/libQtCore.so.4 usr/share/ati/lib64/libQtGui.so.4]
ProcVersionSignature: Ubuntu 3.2.0-37.58-generic 3.2.35
Uname: Linux 3.2.0-37-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu17.1
Architecture: amd64
Date: Mon Feb 11 10:57:51 2013
DpkgHistoryLog:
 Start-Date: 2013-02-11 10:57:40
 Commandline: aptdaemon role='role-commit-packages' sender=':1.74'
 Upgrade: unity-greeter:amd64 (0.2.8-0ubuntu1.4, 0.2.9-0ubuntu1), fglrx-experimental-9:amd64 (9.010-0ubuntu0.1, 9.010-0ubuntu0.3)
ErrorMessage: subprocess new pre-installation script returned error exit status 1
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
MarkForUpload: True
SourcePackage: fglrx-installer-experimental-9
Title: package fglrx-experimental-9 2:9.010-0ubuntu0.1 [modified: usr/lib/fglrx/switchlibGL usr/lib/fglrx/switchlibglx usr/share/ati/lib64/libQtCore.so.4 usr/share/ati/lib64/libQtGui.so.4] failed to install/upgrade: subprocess new pre-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)