package xxdiff-scripts 1:3.2-8 failed to install/upgrade: subprocess post-installation script returned error exit status 1

[wook]

Binary package hint: xxdiff

error generated during weekly system update;
lsb_release -rd
Description: Ubuntu 9.04
Release: 9.04

apt-cache policy xxdiff
xxdiff:
  Installed: 1:3.2-8
  Candidate: 1:3.2-8
  Version table:
 *** 1:3.2-8 0
        500 http://us.archive.ubuntu.com jaunty/universe Packages
        100 /var/lib/dpkg/status

ProblemType: Package
Architecture: amd64
DistroRelease: Ubuntu 9.04
ErrorMessage: subprocess post-installation script returned error exit status 1
NonfreeKernelModules: nvidia
Package: xxdiff-scripts 1:3.2-8
PackageArchitecture: all
SourcePackage: xxdiff
Title: package xxdiff-scripts 1:3.2-8 failed to install/upgrade: subprocess post-installation script returned error exit status 1
Uname: Linux 2.6.28-18-generic x86_64