after editing the /etc/apt/sources.list I ran > apt-get update > apt-get dist-upgrade
and then got the following error Preparing to replace xlibs 4.1.0-16 (using .../xlibs_4.2.1-3_i386.deb) ... Unpacking replacement xlibs ... dpkg: error processing /var/cache/apt/archives/xlibs_4.2.1-3_i386.deb (--unpack): trying to overwrite `/usr/X11R6/lib/X11/app-defaults', which is also in package dialdcost Analyzing /usr/X11R6/lib/X11/app-defaults: drwxr-xr-x 13 root root 4096 Mar 22 17:22 /usr drwxr-xr-x 6 root root 4096 Jul 26 2002 /usr/X11R6 drwxr-xr-x 4 root root 4096 Mar 22 17:24 /usr/X11R6/lib drwxr-xr-x 12 root root 4096 Mar 22 17:24 /usr/X11R6/lib/X11 drwxr-xr-x 2 root root 4096 Mar 22 17:24 /usr/X11R6/lib/X11/app-defaults ERROR: /usr/X11R6/lib/X11/app-defaults is not a symbolic link. The package preinst script should have failed. Please report the package name, version, and the text of the above error message(s) to <debian-x@lists.debian.org>. dpkg: error while cleaning up: subprocess post-installation script returned error exit status 1 only after running > dpkg -r dialdcost did > apt-get install xlibs run ok.
