Windows security updates may sometimes disable the following devices:
- MAGIX video converter / third-party capture cards
Check to make sure the new privacy settings are permitting programs to access the right recording devices.
- To do this, open the Windows Settings ("Windows" key + I) and go to "Privacy".
- Go to "Camera" and turn on "Allow apps to access your camera".
- Then, go to "Microphone" and turn on "Allow apps to access your microphone".