Good evening (or Morning?  ) I finally had the chance to test out the FSL320 for P3D v4. As I was excited to check out the lighting system in v4 as well, I installed Spotlights v2 without uninstalling v1. So when I arrived in the plane at 10pm CEST and turned on both, dome lights and panel flood lights, nothing happened. Reinstalling it didn't work. I have the old Nvidia drivers (352.08 I think) which is the verison suggested using for P3D v3.  I would be glad if somebody has the