package slim 1.3.4-2 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 10

[Grace]

Fails to uninstall

ProblemType: Package
DistroRelease: Ubuntu 12.10
Package: slim 1.3.4-2
ProcVersionSignature: Ubuntu 3.5.0-25.39-generic 3.5.7.4
Uname: Linux 3.5.0-25-generic x86_64
ApportVersion: 2.6.1-0ubuntu10
AptOrdering: slim: Remove
Architecture: amd64
Date: Sat Mar 23 19:02:52 2013
DpkgTerminalLog:
 Removing slim ...
 Please be sure to run "dpkg-reconfigure lightdm".
 dpkg: error processing slim (--remove):
  subprocess installed pre-removal script returned error exit status 10
DuplicateSignature:
 Removing slim ...
 Please be sure to run "dpkg-reconfigure lightdm".
 dpkg: error processing slim (--remove):
  subprocess installed pre-removal script returned error exit status 10
ErrorMessage: subprocess installed pre-removal script returned error exit status 10
InstallationDate: Installed on 2013-01-08 (73 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
MarkForUpload: True
SourcePackage: slim
Title: package slim 1.3.4-2 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 10
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

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