Overview: External webcams are plug-and-play, but driver installation may be needed for some advanced models.Proper ...

To use this app, open Privacy settings, and change settings to allow this app to use your camera and microphone. If you need it, here’s the error code: 0xA00F4245 ...

Since the issue pertains to the Camera app, the first thing you should do to remediate this is to run the Camera troubleshooting utility. You will find the option for this in the Windows Settings.