baldyeti,

4 XML files for coLinix is included in /coLinux of CD-ROM.
knoppix-ja.colinux.xml
knoppix.colinux.xml
knoppix_light-ja.colinux.xml
knoppix_light.colinux.xml

The XML files is selected by two batch files to boot colinux with KNOPPIX.
knoppix-256M.bat (desktop is KDE)
knoppix_light-128M.bat (desktop is wmaker)
The language is selected by page code. If you want to use English message absolutely, plase set page set CODE PAGE "473".
windows-prompt> chcp 473

Please refer our HP for the detail.
http://unit.aist.go.jp/it/knoppix/colinux/index-en.html