Does anyone know why the geck wont show certain levels. sometimes when i load a level only NPC show up and all the layouts are invisible (or not there)?

You need to read this thread and you'll have your answer. http://www.gamesas.com/index.php?/topic/1148040-how-to-fix-lighting-havok-and-rendering-issues/

Cev

Just looked, i saw, i changed, i modded. I couldnt thank you more.