I am running an i7 cpu, been through the Waterfall fix by installing the HeadTrack Demo... and have come to the sad dead end.
But from what I have read it looks like you have used the new faceAPI in version 1.6? Does this mean version 1.6 no longer has the "Failed to initialize APIScope" error? If so I would gladly kick in nice donation to the project to be an alpha tester. :bounce3:
EDIT: I will confirm that version 1.6 is the fix for the APIScope error I was having! Thanks for your continued work and I am more than happy to have contributed to it with a donation.