These are services and exclusion of any of them can cause discrepancies. Also temporarily disable your antivirus as they sometimes block some services due to which you face difficulties. If any of them isn’t, it may be the cause why you are getting the error message. If it isn’t started yet, click on “Start”.
A simple restart might reboot its configurations and solve the issue at hand. Alongside your sound hardware and drivers, there is an audio service present which is responsible for managing the audio on your computer. Before we resort to more complex and extensive solutions, we will try restarting the audio service.