package tex-common 2.10 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Tom]

Just tried to install new packages; might be a clash between TeXLive 2009 (default installation) and 2011 (which I installed later on after presumably removing 2009 first)

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: tex-common 2.10
ProcVersionSignature: Ubuntu 3.2.0-25.40-generic 3.2.18
Uname: Linux 3.2.0-25-generic i686
ApportVersion: 2.0.1-0ubuntu9
Architecture: i386
Date: Fri Jun 8 21:16:36 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
PackageArchitecture: all
SourcePackage: tex-common
Title: package tex-common 2.10 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-03-07 (94 days ago)