Right click on it again when it's enabled and select Set as Default Device.Right click on Stereo Mix and select Enable from the context menu.Now, you’ll be able to see a recording device named Stereo Mix (or Wave Out Mix, Mono Mix, etc.).Select Show Disabled Devices from the pop-up menu.Go to the Recording tab, right click on any blank space there.
This will not prevent your default device from changing, but at least you can hear the sounds. your speakers), with the following steps. You can use StereoMix to route all sounds from the default device to a device of your choice (i.e. In lack of an obvious answer, here's a Workaround which should work on most PC's (it works for sure with Realtek Audio drivers):
