package libxml-sax-expat-perl 0.40-2 failed to install/upgrade: ErrorMessage: subprocess installed pre-removal script returned error exit status 2

[breckenr]

this package failed on upgrade of Lenovo X201 from 10.10 through 12.04.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: libxml-sax-expat-perl 0.40-2
ProcVersionSignature: Ubuntu 3.2.0-20.33-generic-pae 3.2.12
Uname: Linux 3.2.0-20-generic-pae i686
ApportVersion: 2.0.1-0ubuntu5
Architecture: i386
Date: Thu Apr 26 11:17:44 2012
ErrorMessage: ErrorMessage: subprocess installed pre-removal script returned error exit status 2
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
PackageArchitecture: all
SourcePackage: libxml-sax-expat-perl
Title: package libxml-sax-expat-perl 0.40-2 failed to install/upgrade: ErrorMessage: subprocess installed pre-removal script returned error exit status 2
UpgradeStatus: Upgraded to precise on 2012-04-26 (0 days ago)