package fglrx-core (not installed) failed to install/upgrade: trying to overwrite '/etc/acpi/fglrx-powermode.sh', which is also in package fglrx 2:14.301-0ubuntu1

[Boldi]

Installer bug

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: fglrx-core (not installed)
ProcVersionSignature: Ubuntu 3.13.0-49.83-generic 3.13.11-ckt17
Uname: Linux 3.13.0-49-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.14.1-0ubuntu3.8
Architecture: amd64
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Tue Apr 14 15:02:37 2015
DistUpgraded: Fresh install
DistroCodename: trusty
DistroVariant: ubuntu
DuplicateSignature: package:fglrx-core:(not installed):trying to overwrite '/etc/acpi/fglrx-powermode.sh', which is also in package fglrx 2:14.301-0ubuntu1
ErrorMessage: trying to overwrite '/etc/acpi/fglrx-powermode.sh', which is also in package fglrx 2:14.301-0ubuntu1
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] Pitcairn PRO [Radeon HD 7850] [1002:6819] (prog-if 00 [VGA controller])
   Subsystem: Hightech Information System Ltd. Device [1787:201c]
InstallationDate: Installed on 2015-04-08 (6 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-49-generic root=UUID=5ade5894-4578-4589-af7a-a7ff1967c457 ro quiet splash vt.handoff=7
SourcePackage: fglrx-installer
Title: package fglrx-core (not installed) failed to install/upgrade: trying to overwrite '/etc/acpi/fglrx-powermode.sh', which is also in package fglrx 2:14.301-0ubuntu1
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/15/2012
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P2.00
dmi.board.name: 990FX Extreme4
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP2.00:bd10/15/2012:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rn990FXExtreme4:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
version.compiz: compiz 1:0.9.11.3+14.04.20150313-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.59+git20150318.d20413a7-0ubuntu0ricotz2~trusty
version.libgl1-mesa-dri: libgl1-mesa-dri 10.6.0~git20150318.27bf37ba-0ubuntu0ricotz~trusty
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.6.0~git20150318.27bf37ba-0ubuntu0ricotz~trusty
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 1:7.4.99+git20140806.fbf575cb-0ubuntu0sarvatt~trusty
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20150401.61d2baa4-0ubuntu0sarvatt~trusty
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.11+git20141030.3fb97d78-0ubuntu0sarvatt~trusty2
xserver.bootTime: Tue Apr 14 15:04:34 2015
xserver.configfile: default
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Power Button KEYBOARD, id 7
 input AT Translated Set 2 keyboard KEYBOARD, id 8
 input ImPS/2 Generic Wheel Mouse MOUSE, id 9
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.15.1-0ubuntu2.7
xserver.video_driver: radeon