Why do you want to open .bsp Files in WED? If you want f.e. Cs Maps in Gamestudio download an bsp2map converter, open the converted map file and all is fine... No need for this "feature".
cYa Sebastian
Tutorials: [Blender]Terrain creation ENG/GER [Blender]Low Poly Tree Modeling [GIMP]Create a Texture for Terrains CLICK HERE
