If you are a video maker/streamer you may have some issue for capturing RW Enhancer 2 UI on your videos. The solution is simple, RW Enhancer 2 HUD is displayed on a separate window layered above the Train Simulator window.
You have 2 possible solution:
Here you can see an example of the configuration being used in streamlabs in order to capture RW Enhancer 2 correctly.
Everything should be fine with this configuration and you should be able to capture Train Simulator with RW Enhancer 2 !