Several underlying issues can trigger this specific DLL error:
Since Pm16.dll is often associated with the Performance Manager, the graphics card is the first place to look. Identify your graphics card (NVIDIA, AMD, or Intel).
Autodesk recommends trying these steps in order to resolve the error: Update Your Operating System
(Staring at the screen, whispering) No. No, no, no. You’re fine. You’re just thinking. Just... spinning the wheel for a second. There’s the hourglass. See? The little blue circle. That’s just... digestion. You’re digesting the raytracing.