It's a bit of a reach, but I may try plugging the USB cable from the controller into a different port. Right now it is going into a port on the back of the Apple Display, so maybe send it directly to the Mac Book Pro.

Just a quick update. I used the other identical StackShot 3x setup we have yesterday, and it did it again. I had to reboot in order for it to resume working correctly.

Just to keep everything up to date, I'm running Mac OSX 10.11.2 now and the 3.6.2.m version of HeliconRemote.

I've been talking with Cognisysy the last couple of days. It sounds like they are working on a better solution. There concern is the method I used may make firmware updates in the future a pain. So be advised.

Did some hunting around Cognisys' website, and happened to stumble into the Technical Support for the standard StackShot, instead of the StackShot 3x section, and found a fix.
https://www.cognisys-inc.com/products/stackshot/stackshot_technical_specs.php
Did just a quick preliminary test, and it ...

Just updated to 10.11 from 10.10 over the Holidays, and now Helicon won't detect our Stackshot.
The warning about needing to fix the communication problem pops up. I click "yes," and reboot. Did that twice and I'm still getting the warning.
Then attempted to handle it manually, but the AppleUSBFTDI ...

If I can gather any further data, I'll forward it along.

I have another identical setup that I will try if I have time. That way I can rule out a hardware issue.

I've had an issue come up between Remote and our Stackshot 3x. Most of the time everything works great, but occasionally when I'm setting up a shot I will tell the Stackshot to move (via Remote) and it just starts doing a continuous move. I've even had it move the wrong direction. Again without ...