For no reason I can find, Poser 12 has turned that "post fx" appearing thing ON by itself, no warning. I suddenly see 'render pass 1 of 3' when it should be 1 of 2. And only if SSS is being used, correct? I have found nothing in the manual yet that explains this post render lighting change for FIREFLY. Well, it is doing the same thing in SuperFly too. Settings seem to show all effects are OFF. And it is still doing this. The finished image does look like this. Then suddenly the "system" (P12 system?) takes over, cannot interrupt it without hitting RESET (shudder). When THIS is completed, the Outer Limits returns control of the system to me.
Went to Poser Support site, created an account (again), and opened a new ticket for P12 and this issue.

My 66th Birthday PC Build (July 1, 2020) :  named BadMoonRYZEN!, W10Pro x64, Octal Core RYZEN7 X3700 4.05 GHz, 64GB DDR4 RAM, GeForce RTX 3060 - 12GB GDDR6, PP2014, PP 11, P12, PS-CS4 Extended & Vue 2024.

McG.