Bug#365755: installation fails

[prosolutions@gmx.net]

Package: xserver-xorg
Version: 1:7.0.15


Installation fails.  here is the output:

Preconfiguring packages ...
xserver-xorg failed to preconfigure, with exit status 10
(Reading database ... 150223 files and directories currently installed.)
Preparing to replace xserver-xorg 1:7.0.14 (using
.../xserver-xorg_1%3a7.0.15_all.deb) ...
dpkg: error processing
/var/cache/apt/archives/xserver-xorg_1%3a7.0.15_all.deb (--unpack):
 subprocess pre-installation script returned error exit status 10
xserver-xorg postinst warning: not updating /etc/X11/X; file has been
   customized
cat: /var/lib/x11/xorg.conf.md5sum: No such file or directory
xserver-xorg postinst warning: not updating /etc/X11/xorg.conf; file has
   been customized


xserver-xorg_1%3a7.0.14_all.deb  installs fine with no problems