When changing the preferred sound device in windows multimedia properties, WinMLS does not work properly, how to fix this?

WinMLS uses a device number for identifying the sound devices. When changing the preferred device in multimedia settings this number will change, this will affect the WinMLS device settings. Therefore, make sure to first set the preferred device in multimedia settings. Then to go to Measurement->Sound Card Settings... and make sure the correct input device and output device is chosen.