Hi Mass.
Definately something's askew.
The final OS for the Virus C was version 6.5. Where did you get the version 6.6 beta from?
Definately try updating the OS back to the official version 6.5 again, as you were going to, and see what that does. Fingers crossed.
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PS > And another thing! Will the Ti|3 have user customisable/importable wavetables?
A ribbon-controller or XY-Pad might be nice, too, please! Thanks!