FLStudio. Enable MIDI output - If unchecked, you will not be able to use MIDI output in FLStudio, but the device you use for output will be released for use in other applications you run simultaneously with FLStudio ...
FL 12 just stopped working properly for me completely out of the blue some time ago. Projects that it previously had no problem playing back were suddenly eating my CPU alive and I was getting complete audio dropouts. These were ...