package lcdproc 0.5.5-2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Suky]

It persist even if quite a few updates/upgrades occurred.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: lcdproc 0.5.5-2
ProcVersionSignature: Ubuntu 3.2.0-23.36-generic 3.2.14
Uname: Linux 3.2.0-23-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu3
AptOrdering:
 xdiagnose: Install
 lcdproc: Configure
 lcdproc-dbg: Configure
 lcdproc-extra-drivers: Configure
 xdiagnose: Configure
Architecture: i386
Date: Sun Apr 15 08:52:45 2012
DuplicateSignature:
 Setting up lcdproc (0.5.5-2) ...
 Starting LCDd: invoke-rc.d: initscript LCDd, action "start" failed.
 dpkg: error processing lcdproc (--configure):
  subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
SourcePackage: lcdproc
Title: package lcdproc 0.5.5-2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-04-08 (6 days ago)

[Launchpad Janitor (janitor)]

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

[Marc de Hoop (marcdehoop)]

I think it's because LCDd is still running. It worked for me to do:
 sudo killall LCDd
 sudo apt-get -f install