Question / Help Black Screen with Game Capture

[WBS_Fire]

So I'm trying to capture games that are fullscreen using game capture, but nothing appears but a black screen. This is a desktop, not a laptop.

https://gist.github.com/bcc70585f510de5af7a701d7f8a0c14a

 

[Unimatrix36]

I noticed that I get black screens now and then. It happens at random times, not all the time.