I'm was the exact same issue since updating to this driver. After I switched back to 431.86 everything was working again!

That's incredibly helpful! Thank You!

Interesting, I've never had this issue on other machines, the times tend to be very accurate of what the PV render time will be. What could I do to optimize the difference?

My render times in the Octane Live Viewer show around 30 seconds a frame, but when I go to actually render, the time per frame is upwards of 8 minutes. What's going on here? Is there a setting I didn't check? This is in C4D, WIN 7, dual xeon, with a single m6000 card.