How can I tell if my soundcard supports WDM output. I continually get
the no WDM output error message even with the latest drivers.

I have a HP system with Rockwell chipset.
Please advise,

------------- mumufuk comments -----------------------
Download the new version of the GuitarFX for XP
from this Yahoo Group from File section
or from http://guitar-fx.org/download.htm
Install and run it.

New version of the GuitarFX saves errors into
Error Log File,the name of the file is "dat.log".
It is in the folder where you installed GuitarFX.
Send this file to the author of GuitarFX
to guitarfx@...
He will help you!