Usually a shot of Jack fixes any issues I have 
One thing to explore is if Local’s window is off screen somehow:
The other thing that comes to mind is an obscure issue that some Windows users have been reporting. Can you take a look at this thread and see if it relates to your situation:
The workaround has been to downgrade to the 5.6.6 version of Local:
If that does fix things for you, I’d love to know more about your environment. From the screenshot, it looks like Windows 10 Enterprise is being run.