Frequently Asked Questions

AAX/Mac validation failure for Cello v1.1.0 and Woodwinds 2.6.0
Last Updated 3 years ago

Some users reported a validation failure in Pro Tools for the Cello v1.1.0 and the Woodwinds 2.6.0.
This seems to apply to systems running Mac OSX prior to 10.11.4 only.

The software for signing AAX plugins has a subtle bug. The provider has released a new version that fixes it.

Please update your product(s).
The latest release is available on the Customer Portal (

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