Comment 11 for bug 402017

Rafael's workaround also worked for me.

 Attached is a meld diff showing the difference between the files. The file on the left (/home/gg2xp/tempdir/G/%gconf-tree.xml) is from a standard 9.10 Ubuntu (Gnome) machine, the file on the right (/home/gg2xp/tempdir/%gconf-tree.xml) is from a 9.10 Ubuntu test machine where the "enhance contrast colors" was enabled at the GDM login screen.

$ apt-cache policy gdm
gdm:
  Installed: 2.28.1-0ubuntu2.1
  Candidate: 2.28.1-0ubuntu2.1
  Version table:
 *** 2.28.1-0ubuntu2.1 0
        500 http://archive.ubuntu.com karmic-updates/main Packages
        100 /var/lib/dpkg/status
     2.28.1-0ubuntu1 0
        500 http://archive.ubuntu.com karmic/main Packages

2.6.31-17-generic #54-Ubuntu SMP Thu Dec 10 16:20:31 UTC 2009 i686 GNU/Linux