Surface textures missing - German Airports

Dear Friends,I have recently installed the full set of German Airport series.Most of them present the problem of large surface areas missing textures.I have tried to reinstall, reload all custom textures, like Nova, Airport textures and all others but no luck.Thanks for your helpDomMy system specs:AMD Athlon 1.2GhzASUS A7V133 200Mhz512MB SDRAMnVidia GF3 Ti200 (running on 40.72)Sony Trinitron 19'CH Yoke USB + CH Pro Pedals http://hifi.avsim.net/activesky/images/wxrebeta.jpghttp://forums.avsim.com/user_files/2430.jpg