package libqtcore4 4:4.8.1-0ubuntu4.2 failed to install/upgrade: conffile './etc/xdg/Trolltech.conf' is not in sync with other instances of the same package

[xabier]

comouter hangs, maybe related with compiz/unity...

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: libqtcore4 4:4.8.1-0ubuntu4.2
ProcVersionSignature: Ubuntu 3.2.0-29.46-generic 3.2.24
Uname: Linux 3.2.0-29-generic x86_64
ApportVersion: 2.0.1-0ubuntu12
Architecture: amd64
Date: Tue Aug 14 17:09:37 2012
ErrorMessage: conffile './etc/xdg/Trolltech.conf' is not in sync with other instances of the same package
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
SourcePackage: qt4-x11
Title: package libqtcore4 4:4.8.1-0ubuntu4.2 failed to install/upgrade: conffile './etc/xdg/Trolltech.conf' is not in sync with other instances of the same package
UpgradeStatus: Upgraded to precise on 2012-08-04 (14 days ago)
modified.conffile..etc.xdg.Trolltech.conf:
 [qt]
 4.8\libraryPath=/usr/lib/kde4/plugins
mtime.conffile..etc.xdg.Trolltech.conf: 2012-04-11T10:57:48

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.