Feflow on Windows 2003 server

I am trying to run Feflow 5.3 / 5.4 demo on a server with Windows 2003 32 bit.
I installed Feflow 5.3, Exceed 2006 (x86) and Netlm4.3.4 and everything was ok, but as I tried to run Feflow I found this message boxes:

[img width=200 height=150]http://areeweb.polito.it/ricerca/groundwater/troubles/PROBLEM%20FEFLOW%205.3.JPG[/img]

see the full size image here:
http://areeweb.polito.it/ricerca/groundwater/troubles/PROBLEM%20FEFLOW%205.3.JPG

What's the matter?

Please contact support@dhi-wasy.de regarding this Exceed problem. It occurs from time to time and there is a specific procedure available to fix it.