I downloaded the Equalizer app last week and it worked fine on my S4, but today it no longer works. when I try to open it I get the message
"No audio effects available your device firmware may not have support or you may have another audio effects application running". I checked the application manager and nothing was running I even disabled music fx in case this was causing the problem and it still won't work. I even tried deleting and reinstalling the app. Any one know why this would be happening all of a sudden? I'm running stock KitKat.