I don't know if this will help you, but on my search for the solution I found this thread ---- and though I did not have the answer at the time, I do have it now.
READ THIS: http://www.planetcnc.com/features/techtroopers/classicsInXP/
DOWNLOAD THIS: http://www.fileplanet.com/dl.aspx?planetcnc/tiberiandawn/essentialfiles/ccgoldxppatch.zip
Wa la!! Good luck to you! :-)
The Cryptowizard
Die-hard C&C Fan