Quote - > Quote - > Quote - Memory conservative is checked and also collect textures at full size.  It seems to be related to that one specific object. I removed it from the scene and it starts right away. Of course it's an essential part of the outfit so I can't just leave it out and need to find out what's wrong.

Have you tried removing the displacement map from it?

Removing the displacment maps (the object has 10 materials and about 5 had the maps) fixed it.  What exactly am I losing from my image by not having the displacement maps?

Was it viewable in that other image you posted? What a displacement map does is displace your mesh a bit to give it geometrical depth. You can do without in most instances, though if you know how to convert your bump map to a normal, you can do without the bump map and displacement entirely. I've learned that Lux loves a proper Normal map. 

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