package libqtcore4 4:4.8.3+dfsg-0ubuntu3.1 failed to install/upgrade: trying to overwrite shared '/etc/xdg/Trolltech.conf', which is different from other instances of package libqtcore4:amd64

[Tom Plank]

Description: Ubuntu 12.10
Release: 12.10

libqtcore4:
  Installiert: 4:4.8.3+dfsg-0ubuntu3.1
  Kandidat: 4:4.8.3+dfsg-0ubuntu3.1
  Versionstabelle:
 *** 4:4.8.3+dfsg-0ubuntu3.1 0
        500 http://de.archive.ubuntu.com/ubuntu/ quantal-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ quantal-security/main amd64 Packages
        100 /var/lib/dpkg/status
     4:4.8.3+dfsg-0ubuntu3 0
        500 http://de.archive.ubuntu.com/ubuntu/ quantal/main amd64 Packages
     4:4.8.1-0ubuntu4.4 0
        500 http://de.archive.ubuntu.com/ubuntu/ precise-updates/main amd64 Packages
        500 http://security.ubuntu.com/ubuntu/ precise-security/main amd64 Packages

Happened during start of machine

ProblemType: Package
DistroRelease: Ubuntu 12.10
Package: libqtcore4 4:4.8.3+dfsg-0ubuntu3.1
ProcVersionSignature: Ubuntu 3.5.0-23.35-generic 3.5.7.2
Uname: Linux 3.5.0-23-generic x86_64
ApportVersion: 2.6.1-0ubuntu10
Architecture: amd64
Date: Sun Feb 17 10:02:12 2013
DuplicateSignature:
 Unpacking replacement libqtcore4:amd64 ...
 dpkg: error processing /var/cache/apt/archives/libqtcore4_4%3a4.8.3+dfsg-0ubuntu3.1_amd64.deb (--unpack):
  trying to overwrite shared '/etc/xdg/Trolltech.conf', which is different from other instances of package libqtcore4:amd64
ErrorMessage: trying to overwrite shared '/etc/xdg/Trolltech.conf', which is different from other instances of package libqtcore4:amd64
MarkForUpload: True
SourcePackage: qt4-x11
Title: package libqtcore4 4:4.8.3+dfsg-0ubuntu3.1 failed to install/upgrade: trying to overwrite shared '/etc/xdg/Trolltech.conf', which is different from other instances of package libqtcore4:amd64
UpgradeStatus: Upgraded to quantal on 2012-10-22 (119 days ago)

[Launchpad Janitor (janitor)]

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

[Paul Barden (paulbarden2376)]

Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
  libqtcore4
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
22 not fully installed or removed.
Need to get 0 B/1,552 kB of archives.
After this operation, 5,092 kB of additional disk space will be used.
(Reading database ... 218529 files and directories currently installed.)
Preparing to unpack .../libqtcore4_4%3a4.8.7+dfsg-5ubuntu2_amd64.deb ...
Unpacking libqtcore4:amd64 (4:4.8.7+dfsg-5ubuntu2) ...
dpkg: error processing archive /var/cache/apt/archives/libqtcore4_4%3a4.8.7+dfsg-5ubuntu2_amd64.deb (--unpack):
 trying to overwrite shared '/etc/xdg/Trolltech.conf', which is different from other instances of package libqtcore4:amd64
dpkg-deb: error: subprocess paste was killed by signal (Broken pipe)
Processing triggers for libc-bin (2.23-0ubuntu3) ...
Errors were encountered while processing:
 /var/cache/apt/archives/libqtcore4_4%3a4.8.7+dfsg-5ubuntu2_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

So I guess I still can't so anything...