Guys, this eventually stopped for me. It must've something conflicting that I happened to delete anyway. Only thing I can think of was that I still had 8K Body Textures installed after re-installing my primarily used FSM Textures. That's a stretch but is all I can think of. Or maybe it was a bodyslide "Build" gone wrong. This may be more plausible as I just yesterday Built a NEW body and built a whole bunch of clothes body slides. If at the end it was a bodyslide issue, what pointed me to thinking it was a NAC / ENB issue was that it glowed white. Hopefully no one runes into this at all though