error while opening mixvibes asio U-Mix Control Pro

Hi
I have a problem I cannot get sound working and it coming up with error while opening mixvibes asio U-Mix Control Pro your device is been used by some other processes. quit them all and retry
I have done everything with the sound card and used a task manger and it has nothing using the U-Mix Control Pro
plz help
I have a problem I cannot get sound working and it coming up with error while opening mixvibes asio U-Mix Control Pro your device is been used by some other processes. quit them all and retry
I have done everything with the sound card and used a task manger and it has nothing using the U-Mix Control Pro
plz help