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Then Cyberlink youcam 9 will close if up and my camera will turn off if on.
I'm confused about this description.
What was up that made youcam closed?
And, what was on that caused your camera turned off?
The physical webcam can be accessed by one program concurrently unless you select the virtual webcam (CyberLink YouCam 9) as the webcam video source in all of your video call or video recording programs to get the shared video from YouCam 9.