No Ground Textures

Hi Everyone i want to try FlightBeam's KPHX Last Night I Downloaded Demo and ınstalled here ı launched game ground looking black and water ı restarted my computer but not works ı delete sp2 and repair it on installion and setup sp2 again but no works everywhere is black and watered its so bad here is a photo water ,air ,clouds ,aircrafts ,airports ,runways ,trees , buildings looking okay but there are no ground :(