package apport 1.17.1-0ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Espinet François]

Binary package hint: apport

Everything is in the summary, problem appeared after a (regular) partial upgrade

ProblemType: Package
DistroRelease: Ubuntu 11.04
Package: apport 1.17.1-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.37-12.26-generic 2.6.37
Uname: Linux 2.6.37-12-generic i686
ApportLog:
 apport (pid 4556) Wed Jan 26 12:36:44 2011: called for pid 2375, signal 5
 apport (pid 4556) Wed Jan 26 12:36:44 2011: executable: /usr/bin/qbittorrent (command line "qbittorrent")
 apport (pid 4556) Wed Jan 26 12:37:07 2011: wrote report /var/crash/_usr_bin_qbittorrent.1000.crash
Architecture: i386
CrashReports:
 600:0:0:713010:2011-01-26 17:10:43.372997000 +0100:2011-01-26 17:11:14.115210898 +0100:/var/crash/apport.0.crash
 600:1000:1000:49702931:2011-01-26 16:41:18.529827000 +0100:2011-01-26 16:41:19.529827000 +0100:/var/crash/_usr_bin_qbittorrent.1000.crash
 600:1000:1000:19071:2011-01-25 21:29:35.859767000 +0100:2011-01-25 22:02:47.375437758 +0100:/var/crash/_usr_lib_telepathy_telepathy-butterfly.1000.crash
Date: Wed Jan 26 17:10:43 2011
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20101202)
PackageArchitecture: all
SourcePackage: apport
Title: package apport 1.17.1-0ubuntu3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1