Looked like a warning, and thought it would just limit, I was dumb. Now YouCam does not work and I need to fix it, but cannot figure it out how.
Close Cyberlink YouCam and then go to Start > Settings > Privacy > Camera. Enable the Camera access and then locate the application in the list. Tap the button to enable it, then restart the application and it should have access to the camera again.
This is how it looks in Windows 10:
