I notice in your beautifully-shot photos of the Virus C Desktop you have BOTH midi in AND out connected to your Axiom Pro. Did you try ONLY using midi out from Virus to midi in of Axiom Pro to control all parameters when you had O.S. 6.6 loaded-up? Wondering if you had caused a "midi feedback loop" of sorts having it connected as aformentioned according to your pics? Lastly, as Tweakhead asked; Did you report issue to Access or ask AVID, whom from my understanding in the sell-off of M-Audio, kept a few higher-end M-Audio products under their wings? Or M-Audio if the Axiom Pro went with everything else in sell-off to where Alesis, Akai, and now reside? I ask because my Axiom Pro 61 is still in box in closet as have been spending "quality time" with newly acquired Waldorf Q Rack, making my Virus learn to "play nice" with the perhaps frightening bright yellow alien beast in still setting-up final configuration in home studio. Yes, my Axiom has not come out yet--he's in the closet