package lightdm 1.10.5-0ubuntu1.1 failed to install/upgrade: podproces zainstalowany skrypt post-removal zwrócił kod błędu 1

[Resheph]

Messing with lightdm to change greeting screen wallpaper proved to be errorous

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: lightdm 1.10.5-0ubuntu1.1
ProcVersionSignature: Ubuntu 3.13.0-62.102-generic 3.13.11-ckt24
Uname: Linux 3.13.0-62-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.12
AptOrdering:
 ubuntu-desktop: Purge
 lightdm: Purge
Architecture: amd64
Date: Tue Aug 25 19:41:26 2015
DuplicateSignature: package:lightdm:1.10.5-0ubuntu1.1:podproces zainstalowany skrypt post-removal zwrócił kod błędu 1
ErrorMessage: podproces zainstalowany skrypt post-removal zwrócił kod błędu 1
InstallationDate: Installed on 2015-08-18 (7 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.4
 apt 1.0.1ubuntu2.10
SourcePackage: lightdm
Title: package lightdm 1.10.5-0ubuntu1.1 failed to install/upgrade: podproces zainstalowany skrypt post-removal zwrócił kod błędu 1
UpgradeStatus: No upgrade log present (probably fresh install)