package fglrx 2:15.200-0ubuntu0.5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

[Diana]

I recently upgraded to Ubuntu 14.04 from 12.04 and this error message pops up when starting system.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: fglrx 2:15.200-0ubuntu0.5
ProcVersionSignature: Ubuntu 3.13.0-62.102-generic 3.13.11-ckt24
Uname: Linux 3.13.0-62-generic i686
NonfreeKernelModules: fglrx
.tmp.unity.support.test.0:

ApportVersion: 2.14.1-0ubuntu3.12
Architecture: i386
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
Date: Thu Aug 20 12:42:47 2015
DistUpgraded: 2015-08-11 14:54:21,039 DEBUG enabling apt cron job
DistroCodename: trusty
DistroVariant: ubuntu
DkmsStatus: fglrx-core, 15.200, 3.13.0-62-generic, i686: installed
ErrorMessage: subprocess installed post-installation script returned error exit status 2
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Wrestler [Radeon HD 6310] [1002:9802] (prog-if 00 [VGA controller])
   Subsystem: Hewlett-Packard Company Device [103c:3577]
InstallationDate: Installed on 2012-05-28 (1182 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423)
MachineType: Hewlett-Packard Presario CQ57 Notebook PC
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-62-generic root=UUID=44127425-c455-4781-8a30-666139cd0bee ro splash quiet
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.4
 apt 1.0.1ubuntu2.10
SourcePackage: fglrx-installer
Title: package fglrx 2:15.200-0ubuntu0.5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
UpgradeStatus: Upgraded to trusty on 2015-08-11 (13 days ago)
dmi.bios.date: 11/07/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.42
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3577
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 24.48
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.42:bd11/07/2011:svnHewlett-Packard:pnPresarioCQ57NotebookPC:pvr068B120003204910000620100:rvnHewlett-Packard:rn3577:rvr24.48:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: Presario CQ57 Notebook PC
dmi.product.version: 068B120003204910000620100
dmi.sys.vendor: Hewlett-Packard
version.compiz: compiz 1:0.9.11.3+14.04.20150313-0ubuntu1
version.fglrx-installer: fglrx-installer N/A
version.libdrm2: libdrm2 2.4.60-2~ubuntu14.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.1.3-0ubuntu0.4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.1.3-0ubuntu0.4
version.xserver-xorg-core: xserver-xorg-core 2:1.15.1-0ubuntu2.7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.8.2-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.3.0-1ubuntu3.1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.910-0ubuntu1.6
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.10-1ubuntu2
xserver.bootTime: Mon Aug 24 15:18:31 2015
xserver.configfile: /etc/X11/xorg.conf
xserver.errors:
 open /dev/dri/card0: No such file or directory
 open /dev/fb0: No such file or directory
 AIGLX error: failed to open /usr/X11R6/lib/modules/dri/fglrx_dri.so, error[/usr/X11R6/lib/modules/dri/fglrx_dri.so: cannot open shared object file: No such file or directory]
xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.15.1-0ubuntu2.7
xserver.video_driver: fglrx

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.