package lightdm 1.10.0-0ubuntu3 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1

[bradleesargent]

I was installing the update to the newest release of kubuntu trusty tahr using the muon update manager, it ran all night but when it tried to update the lightdm it reported a but and the muon update manager screen is frozen so I can not see any more details of the error message.

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: lightdm 1.10.0-0ubuntu3
ProcVersionSignature: Ubuntu 3.11.0-15.25-generic 3.11.10
Uname: Linux 3.11.0-15-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.1-0ubuntu3
Architecture: amd64
Date: Fri Apr 18 07:08:34 2014
DuplicateSignature: package:lightdm:1.10.0-0ubuntu3:ErrorMessage: subprocess installed post-installation script returned error exit status 1
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationDate: Installed on 2014-01-02 (106 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
SourcePackage: lightdm
Title: package lightdm 1.10.0-0ubuntu3 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to trusty on 2014-04-18 (0 days ago)

[bradleesargent (bradlee-sargent)]

lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04 LTS
Release: 14.04
Codename: trusty
bradlee@veronica-A8NE-FM:~$