Sapien

[Jordanator]

This is really annoying me when i open sapien it loads up all right and everything, then i try and move the camera with the middle mouse button, but when i move nothing happens the screen flashes white really fast but thats about it i tried to press every other button and thoroughly went over the tut that came with it but it wont move
Can anyone help me?

EDIT:
i saw the other topic and tried what it said with the command prompt and all but that wasnt it can any one help?