package xulrunner-1.9.2 1.9.2.12 build1 nobinonly-0ubuntu0.10.04.1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 127

Binary package hint: xulrunner-1.9.2

when doing an upgrade it stated it will continue thet upgrade but will exclude "xulrunner-1.9.2"

ProblemType: Package
DistroRelease: Ubuntu 10.04
Package: xulrunner-1.9.2 1.9.2.12+build1+nobinonly-0ubuntu0.10.04.1
ProcVersionSignature: Ubuntu 2.6.32-24.39-generic 2.6.32.15+drm33.5
Uname: Linux 2.6.32-24-generic x86_64
NonfreeKernelModules: wl
Architecture: amd64
Date: Thu Nov 25 13:24:30 2010
ErrorMessage: ErrorMessage: subprocess installed post-installation script returned error exit status 127
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
SourcePackage: xulrunner-1.9.2
Title: package xulrunner-1.9.2 1.9.2.12+build1+nobinonly-0ubuntu0.10.04.1 failed to install/upgrade: ErrorMessage: subprocess installed post-installation script returned error exit status 127