Hello everybody. I have been trying to use the Creation Kit again after a long time without making any mod and I have found that render windows doesn't works... I cannot see anything there and the window has become yellow althought it is possible to select objects that are supossed to be shown. I post a link to the image where you can see how the render window looks, could you help me with this please? Thank you very much in advance.

http://postimg.org/image/fc3lp31pl/