It's not a skymaxx issue, but a Nvidia issue with their latest driver. Turn off atmospheric scattering. I think that's is the rendering setting as I am not in front of my computer.
Sent via Taptalk. System specs: OS-Windows 8, MB-Gigabyte Z87X OC Force, Processor-4770K, GC-PNY 780 Ti, RAM-16Gb.