The location to allow or block camera access changes depending on the antivirus software, but you should able to find the same in its settings. The webcam protection is turned on by default in most antivirus software. Most antivirus solutions offer webcam protection feature which enables you to prevent applications from accessing the webcam/camera.
Step 3: In Which apps can access your camera section, make sure that Camera app has access to the webcam/camera. Step 2: Turn on both Camera access for this device and Allow apps to access your camera options.