I've used DP 8.07 and the Artist Mix (EuControl v 2.7.1) on my MacBook Pro (OS 10.7.5) successfully for years.
After updating to DP 9, it continued to work. But recently, it just connects to DP 9 but fails to control any DP parameters like faders & knobs.
When I upgraded to DP 9.01, it didn't connect at all.
But when I go back to DP 8.07, it works perfectly.
I tried trashing the DP & EuCon preferences. I even reinstalled the EuControl software and DP 9 software.
It's all been to no avail.

Any suggestions would be greatly appreciated.
Thanks!