package lib32z1 1:1.2.3.3.dfsg-13ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

[JDWilson]

Trying to install a Firefox plugin. I lost the window that had the name of the plugin, but maybe the trace will show something. Sorry.

ProblemType: Package
Architecture: amd64
Date: Mon May 24 18:20:33 2010
DistroRelease: Ubuntu 9.10
ErrorMessage: subprocess installed post-installation script returned error exit status 2
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
NonfreeKernelModules: nvidia
Package: lib32z1 1:1.2.3.3.dfsg-13ubuntu3
ProcVersionSignature: Ubuntu 2.6.31-20.58-generic
SourcePackage: zlib
Title: package lib32z1 1:1.2.3.3.dfsg-13ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
Uname: Linux 2.6.31-20-generic x86_64