If you installed the app from the internet, a disc, a USB drive, or your IT administrator installed the app for you, it might not be a Microsoft Store app. To check, go to Allow desktop apps to access your camera and make sure it's turned on. Internet browsers (like Microsoft Edge) and many video conferencing apps (like Microsoft Teams) are desktop apps that require this setting to be turned on., Check for updates. Select Start > Settings > Windows Update > Check for updates.. If there are no updates for your camera, try to select Advanced options > Optional updates, and look for any driver updates for your camera., In the Settings app on your Windows device, Apps > Startup or use the following shortcut: Startup. For any of the applications in the list.