Final Cut Pro hangs on Audio Unit validation.

After installing Ventura, Final Cut Pro is hanging on Audio Unit validation. Logic and Digital Performer both validated the AUs fine, so I know the AUs are not bad. It must be a FCP bug.


Is there a workaround until Apple fixes this bug?


I tried deleting the preferences. It didn't work.

iMac (2017 – 2020)

Posted on Mar 30, 2023 9:57 AM

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Posted on Mar 31, 2023 6:08 PM

I moved all the AUs to the Trash (the only option to get them out of the Components folder) and put them back five at a time. Restarting FCP each time.


Three AUs seemed to be the ones causing the validation app in FCP to crash or hang. (Screenshot below.)


This doesn't really solve my problem, as I use Guitar Rig 6 frequently (I can live without the other two.) Having to delete it and reinstall it every time I want to use my DAWs or FCP is ridiculous. And it works fine in Logic and Digital Performer.


Frustrating.


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Final Cut Pro hangs on Audio Unit validation.

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