Thank you Emmanuel!
Following the suggestions in the FAQ I could make it work again!

Operating system is Windows Vista (Home basic) service pack 1.
I try to update it and re-check

thanks
Marco

Hello,

I have a problem with a furniture item: as soon as I added it to my project the program crashed due to "fatal error in 3D rendering system". It asks me for updating the DirectX/OpenGL drivers but I have already installed the latest version.
(my graphic device is Mobile Intel® 945GM Express ...