package nvidia-340 340.65-0ubuntu1~xedgers14.04.1 failed to install/upgrade: subprocess installed post-removal script returned error exit status 8

[Alex Knutson]

Trying to update nvidia drivers via the "Additional Drivers" tab.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: nvidia-340 340.65-0ubuntu1~xedgers14.04.1
ProcVersionSignature: Ubuntu 3.13.0-43.72-generic 3.13.11.11
Uname: Linux 3.13.0-43-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3.6
Architecture: amd64
Date: Wed Dec 9 16:55:09 2015
DpkgHistoryLog:
 Start-Date: 2015-12-09 16:54:55
 Commandline: aptdaemon role='role-commit-packages' sender=':1.68'
 Install: nvidia-352:amd64 (352.63-0ubuntu0.14.04.1)
 Remove: libcuda1-304:amd64 (304.125-0ubuntu1~xedgers14.04.1), nvidia-340:amd64 (340.65-0ubuntu1~xedgers14.04.1), nvidia-opencl-icd-304:amd64 (304.125-0ubuntu1~xedgers14.04.1), nvidia-340-uvm:amd64 (340.65-0ubuntu1~xedgers14.04.1), linux-generic:amd64 (3.13.0.43.50)
DuplicateSignature: package:nvidia-340:340.65-0ubuntu1~xedgers14.04.1:subprocess installed post-removal script returned error exit status 8
ErrorMessage: subprocess installed post-removal script returned error exit status 8
InstallationDate: Installed on 2014-08-06 (490 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
SourcePackage: nvidia-graphics-drivers-340
Title: package nvidia-340 340.65-0ubuntu1~xedgers14.04.1 failed to install/upgrade: subprocess installed post-removal script returned error exit status 8
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.modprobe.d.nvidia.340.hybrid.conf: [deleted]

[Launchpad Janitor (janitor)]

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