It's the sound your rig is making when you change presets that intrigues me...I wonder if there are any clues in it as to the source of it. Processor, ram, sound card, or midi...I wonder if any cc or midi note numbers would be thrown on something like Midi Wrench (iPad app) when you change the preset...
I suppose you could try making a copy of that project, then working backwards, deleting track 10, then putting the settings you had on track 10 into track 9, and see if it still happens...If it does, do it to 8, then 7...til you get to one instance of AL...?