I 've got it working, Tech support had me switch to MME and that was problem as I use 2i2 Scarlett so going back to ASIO has solved stutter, still have the melody sound behind 4 bars compared to the red notes and RealTracks. I also am trying to find this awesome dialogue box I had for setting the buffer/sample rate. I can't remember where I got it Ableton ? Focusrite ? ASIO4all ?