I figured it out! If you have a High DPI laptop (very high resolution), you may be having the same problem that I had. Windows 10 defaulted the Scaling for apps to 200% for me. It looks like the CortexUI doesn’t support this scaling very well and in this configuration, will appear off screen to the right so users can’t see it. I changed Scaling to 100% under the Display settings in Windows 10 and I can now see the UI appear on the bottom right of the screen.
Can’t really keep it at this scale though because everything is extremely small.