I've downloaded your SDK (because I needed to make a game fast) and had a look around it. It seems more like a demo than a SDK, very poorly organised, no empty reference project, no tuts, no nothing, just a premade game, tools and some silly docs (which shroud the SDK in even more mistery)... anyway because of this it took me a whole day to understand the basics...
And Reality Factory IDE doesn't work under Win2k, and it has problems on winXp as well (what the .... did you use for developing? win98