Hello I have the following difficulties. 1. I install kubuntu 10.4 2 I modify the source.list file and follow the instructions from the webpage however I obtain sudo apt-get install kdelibs4c2a-kde3 Reading package lists... Done Building dependency tree Reading state information... Done kdelibs4c2a-kde3 is already the newest version. You might want to run `apt-get -f install' to correct these: The following packages have unmet dependencies: libskim0: Depends: kdelibs4c2a (>= 4:3.5.9) but it is not going to be installed skim: Depends: kdelibs4c2a (>= 4:3.5.9) but it is not going to be installed E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution). sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The following extra packages will be installed: kdelibs-data kdelibs4c2a The following NEW packages will be installed: kdelibs-data kdelibs4c2a 0 upgraded, 2 newly installed, 0 to remove and 150 not upgraded. 396 not fully installed or removed. Need to get 0B/18.0MB of archives. After this operation, 62.5MB of additional disk space will be used. Do you want to continue [Y/n]? y (Reading database ... 118145 files and directories currently installed.) Unpacking kdelibs-data (from .../kdelibs-data_4%3a3.5.10.dfsg.1-3ubuntu2.10.04.1_all.deb) ... dpkg: error processing /var/cache/apt/archives/kdelibs-data_4%3a3.5.10.dfsg.1-3ubuntu2.10.04.1_all.deb (--unpack): trying to overwrite '/etc/kde3/colors/40.colors', which is also in package kdelibs-data-kde3 4:3.5.12-0ubuntu6+r1152788 dpkg-deb: subprocess paste killed by signal (Broken pipe) Unpacking kdelibs4c2a (from .../kdelibs4c2a_4%3a3.5.10.dfsg.1-3ubuntu2.10.04.1_amd64.deb) ... dpkg: error processing /var/cache/apt/archives/kdelibs4c2a_4%3a3.5.10.dfsg.1-3ubuntu2.10.04.1_amd64.deb (--unpack): trying to overwrite '/etc/kde3/khotnewstuffrc', which is also in package kdelibs-data-kde3 4:3.5.12-0ubuntu6+r1152788 Processing triggers for man-db ... Errors were encountered while processing: /var/cache/apt/archives/kdelibs-data_4%3a3.5.10.dfsg.1-3ubuntu2.10.04.1_all.deb /var/cache/apt/archives/kdelibs4c2a_4%3a3.5.10.dfsg.1-3ubuntu2.10.04.1_amd64.deb would it be better to install ubuntu 10.4 instead of kubuntu and tehn try to install trinity? thanks Uwe Brauer