Yup, did it, 3d is back. Many thanks!

<t>Hello, I have been working with this progeam for years and 3d nevercaused a problem. But now it does. I redisgned a very normal house and wanted to see 3d. A year ago this worked perfectly on the same computer i work on now. But now I get black stripes into the picture, making the 3d rendering ...