I am using Poser 8, and I am getting these huge, blotchy, over exaggerated highlights all over my models when I render using indirect lighting. It looks like someone has splashed them with clear coat. The thing is that it only happens occassionally, regardless of my render settings (it has done it with the Indirect Lighting Quality and Irradiance Caching nearly maxed out.) Even now I am trying to get Poser to do it so I can post a picture, but it won't. It seems to be unpredictable. It doesn't matter what material settings I am using and it does it with all types of lighting except the regular ones (Non-IBL).

Once it starts doing it, it usually keeps doing it. Things I have done that sometimes make it stop are changing camera positions and focal, or changing the render settings (for better or lower quality, it doesn't matter).

I think I remember reading that ambient occlusion can interfere with indirect lighting, but I don't believe I am using ambient occlusion.

I have been putting up with it for almost a year now, and it has become very annoying and wastes a lot of time. Does anyone know why it is doing this? Any help would be greatly appreciated.