package gconf2 3.2.5-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 250

[Bjoern O.]

Crashing after update.
And the Program windows in Ubuntu are changed. The configuration about the Task bar (opening sensitiv) is changed. And the colour of the Window from Programms.

Release Information:
Description: Ubuntu 12.04.1 LTS
Release: 12.04

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: gconf2 3.2.5-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-33.52-generic 3.2.31
Uname: Linux 3.2.0-33-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu15
Architecture: amd64
Date: Mon Nov 19 20:51:40 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 250
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120822.4)
MarkForUpload: True
SourcePackage: gconf
Title: package gconf2 3.2.5-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 250
UpgradeStatus: No upgrade log present (probably fresh install)

[Bjoern O. (mister3x)]

I have solved the problem: I have deactivated in the cups-Apparmor-Profile line 17 ".... block suspend" with # and now my CUPS-Server is ok.