If you
are running Windows 10 the system would automatically switch the Multimedia
Controller processes to disable. Open the task manager, select the startup tab,
and look for the Multimedia Controller processes. Make sure they are set to
ENABLE.
Task manager
processes
In the task manger click file and run new task.
Then find and open Multimedia ControllerHelper. Local Disc (C:) > Program
Files (x86) > Contour Multimedia Controller