I installed tomb1 in winxp. First I installed vdm sound, than I installed glidos, than I overwritten the tomb.exe file whit the voodoo rush tomb.exe file. But nothing happens, I get the error "OS detection failed" (see picture) Anyone any idea what I did wrong?

(the picture could not be uploaded) so here the url:
http://members.home.nl/marion.fransz/glidoserror.jpg