Thank you Glimpse. I posted to see if it might be common to people running multiple GPUs on high-end machines, but apparently not . . .
Perhaps it is something about my particular machine, and not Windows, but it did coincide with the anniversary update, and the thread on the MS forum seemed to ...

I am curious as to whether many others on this forum have experienced a lot of random lockups of the OS in Windows 10 since the Anniversary Update a few months back.
It is happening to me a lot, sometimes dozens of times per day. I've tried a lot of things without any success. On Microsoft's site ...

I'm guessing my problem is related. In the Max viewports, when I apply Octane materials, everything appears really bright and washed out.
I have to switch to wireframe or clay mode to be able to work with the models.
I am running the latest plugin, but have lived with this same issue with previous ...

Wow! Thank you! I never knew that one. I just tried it and it works great.
It makes me wonder what other shortcuts I am unaware of . . .

Thank you -- I don't feel so bad now :)

Documentation would be good to have. Until I upgrade Max it looks like I am at the end of the road for Octane upgrades since they are no longer supporting Max 2011.
I also see that Autodesk will be shifting to a subscription only plan next year. This will ...

I found the key!

1) I stripped everything out of my scene and then merged your scene into it. Even then, the projection wasn't working.
2) I went through all of the Octane Render settings and compared the two scenes. There were a few significant differences such as GI clamp set to 1,000,000.00 vs 2 ...

I don't get it either. In your scene the projection resolves almost instantly.
I tried importing the rig you created into my scene and it was blurry. The last time I left it for over an hour and it was still be big blur. I thought that perhaps existing lighting, etc. might be complicating things but ...

There really needs to be an additional lock icon in the Octane Viewport that locks the viewport to a particular view or camera.

I typically need a particular camera view or perspective view to stay in the viewport while I am updating the scene settings and previewing the results in the viewport ...

I was able to import your projector and test it. It appears that in my particular scene getting an image to resolve looks like it will takes a very long time if at all, so I don't think this will be practical.
I think I will have to try to apply the projection in post. It won't look as real but ...

My first impression was that Allegorthmic is expensive ($590), but they have an indie version for $149, which I think is more reasonable for artists.

Another tool I found is NDO and 3DO:
http://quixel.se/
$99 for the suite sounds good but it doesn't look like it integrates into Max. Allegorithmic ...