trying to overwrite '/usr/share/kde4/apps/kdm/themes/circles/KdmGreeterTheme.desktop', which is also in package kdm 4:4.3.95-0ubuntu1

Binary package hint: kdebase-workspace

While doing and upgrade on a current Lucid

LC_ALL=C apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages have been kept back:
  audacity audacity-data cervisia cvsservice indicator-application indicator-messages indicator-session kapptemplate kate kbugbuster kcachegrind kcm-phonon-xine kde-window-manager kdebase-runtime kdebase-runtime-dbg kdebase-workspace kdebase-workspace-bin
  kdebase-workspace-data kdebase-workspace-dev kdebase-workspace-kgreet-plugins kdebase-workspace-libs4+5 kdelibs-bin kdelibs5 kdelibs5-data kdelibs5-dbg kdelibs5-dev kdepim-runtime kdepimlibs-dbg kdepimlibs5 kdepimlibs5-dev kdesdk kdesdk-dbg kdesdk-dev
  kdesdk-kio-plugins kdesdk-misc kdesdk-strigi-plugins kdm khelpcenter4 klipper kmtrace kompare kpartloader ksysguard kuiviewer language-support-writing-en libappindicator0 libappindicator0-cil libboost-dev libdc1394-22 libkdecorations4 libkephal4 libkfontinst4
  libkscreensaver5 libksgrd4 libksignalplotter4 libkwineffects1 libkworkspace4 liblsofui4 libplasma-applet-system-monitor4 libplasma-geolocation-interface4 libplasma3 libplasmaclock4 libprocesscore4 libprocessui4 libsolidcontrol4 libsolidcontrolifaces4 libtaskmanager4
  libweather-ion4 lokalize plasma-dataengines-workspace plasma-desktop plasma-widgets-workspace poxml python-appindicator python-qscintilla2 python-qt4 python-qt4-dbg python-qt4-dev python-qt4-sql python-sip4 python-sip4-dbg python-sip4-dev rhythmbox systemsettings
  tomboy umbrello
The following packages will be upgraded:
  kdebase-workspace-wallpapers
1 upgraded, 0 newly installed, 0 to remove and 86 not upgraded.
74 not fully installed or removed.
Need to get 0B/59.3MB of archives.
After this operation, 10.2MB of additional disk space will be used.
Do you want to continue [Y/n]? y
(Reading database ... 403564 files and directories currently installed.)
Preparing to replace kdebase-workspace-wallpapers 4:4.3.95-0ubuntu1 (using .../kdebase-workspace-wallpapers_4%3a4.3.98-0ubuntu3_all.deb) ...
Unpacking replacement kdebase-workspace-wallpapers ...
Replacing files in old package kdebase-workspace-data ...
dpkg: error processing /var/cache/apt/archives/kdebase-workspace-wallpapers_4%3a4.3.98-0ubuntu3_all.deb (--unpack):
 trying to overwrite '/usr/share/kde4/apps/kdm/themes/circles/KdmGreeterTheme.desktop', which is also in package kdm 4:4.3.95-0ubuntu1
Errors were encountered while processing:
 /var/cache/apt/archives/kdebase-workspace-wallpapers_4%3a4.3.98-0ubuntu3_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

ProblemType: Bug
Architecture: amd64
Date: Fri Feb 5 09:24:56 2010
DistroRelease: Ubuntu 10.04
NonfreeKernelModules: nvidia
Package: kdebase-workspace-wallpapers 4:4.3.95-0ubuntu1
PackageArchitecture: all
ProcEnviron:
 PATH=(custom, no user)
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.32-12.16-generic
SourcePackage: kdebase-workspace
Uname: Linux 2.6.32-12-generic x86_64