Hi Jerry,
When you write that the paper catalog is not selectable in Dutch language, do you mean that it's greyed out in Device Center, or that you can't assign a media to a tray...?
Please be more specific, or attach a screenshot so that we can investigate the issue.
Also, did you try with the new CWS 5.4?
If it is stil the same issue with CWS5.4, please specify the Fiery model and version. It could be a defect, and we could try to reproduce it internally.
thank you
l-