This is a known problem with SE version 0.980 and newer Nvidia graphics card drivers. SE 0.980 no longer works with newer drivers on many computers.
But you can try this solution here: viewtopic.php?t=7&start=1560#p34434
cboshuizen wrote:Qr Bbpost for some reason I don't understand I am getting these holes in the clouds.
A-L-E-X wrote:Qr Bbpost what is RSC? Are those procedurally generated stars in star clusters