package apport 1.20.1-0ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Dolfis]

Binary package hint: apport

It happened when I tried to apply updates.

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: apport 1.20.1-0ubuntu4
ProcVersionSignature: Ubuntu 2.6.38-8.42-generic 2.6.38.2
Uname: Linux 2.6.38-8-generic i686
NonfreeKernelModules: nvidia
ApportLog:

Architecture: i386
Date: Wed Apr 20 17:07:59 2011
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release Candidate i386 (20100928)
PackageArchitecture: all
SourcePackage: apport
Title: package apport 1.20.1-0ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to natty on 2011-04-11 (9 days ago)