Windows 10: Hidden apps uses my laptop camera

Hi,Every time when I start my laptop, after login using my face detection, my laptop camera turned on again and working for several minuets.And I can't use the camera for any other applications e.g. zoom..I used get help and find this error: Error Code: CameraReservedByAnotherApp 0xA00F4243But it can't solved.Can anyone suggest me what should I do to resolve this problem?Thank you.

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Laptop Camera

Thanks for updating us on the results of the troubleshooting steps that you have completed. Since the built-in webcam is still not working correctly and the same error code 0xA00F4244 (0xC00DABED) is still appearing, we suggest that we check the camera privacy
settings to see if the camera access is turned on. Kindly follow the steps below to check the camera privacy settings:

• Press the Windows key + I to open the Settings app.
• Near the top of the Settings app window is the search box, kindly type the word "webcam" or "camera".
• From the list of results choose Camera privacy settings.
• Make sure that "Let apps use my camera" toggle is set to On.

We look forward to your response once you complete the steps.

 

Laptop Camera

Thanks for providing the results after completing the steps we provided. Since you're still getting the error message “Your camera cannot be found” along with the error code "0xA00F4244 (0xC00DABED)", we suggest that you follow the steps below
to reset the Camera app on your Windows 10 computer:

• Press the Windows Key + I to open the Settings app.
• From the options presented select System, then click on
  Apps & features located on the left pane.
• Locate the Camera app from the list and select it.
• Select the Advanced options link and then choose Reset.
• When the pop-up notification is shown just click on the Reset
  button once more.
• Once all the steps are complete, kindly reboot your computer.

Completing this steps will clear the cache of the Camera app and allow it to re-recognize any video capture devices connected to your computer.

Regards.

 

Missing apps: Store, People, Photos, Games & Camera on upgrading to 10

Thanks for replying spunk. That's the 'alphabetical' list I was referring to, none of these apps are in that 'All apps' list. Any more suggestions?