package xulrunner-1.9.1 1.9.1.3+build1+nobinonly-0ubuntu0.9.04.2 failed to install/upgrade: el subproceso pre-removal script devolvi? el c?digo de salida de error 2

[Yoques]

Binary package hint: xulrunner-1.9.1

I don't know why allways I "actualizo" my system allways says "ha ocurrido un error" with xulrunner.

ProblemType: Package
Architecture: i386
DistroRelease: Ubuntu 9.04
ErrorMessage: el subproceso pre-removal script devolvió el código de salida de error 2
Package: xulrunner-1.9.1 1.9.1.3+build1+nobinonly-0ubuntu0.9.04.2
SourcePackage: xulrunner-1.9.1
Title: package xulrunner-1.9.1 1.9.1.3+build1+nobinonly-0ubuntu0.9.04.2 failed to install/upgrade: el subproceso pre-removal script devolvió el código de salida de error 2
Uname: Linux 2.6.28-13-generic i686