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Debra Hernandez

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  • November 14, 2026 at 9:27 pm in reply to: [Solved] Audio Unit (AU) Validation Crash on Launch in Logic Pro Plugin Manager on Mac Studio M2 Max: How to resolve AUv2 component missing Apple Silicon native notarization or hardened runtime entitlement #12610
    Debra Hernandez
    Certified Tech (Lvl 5)
    Apple Recommended / Verified Community Solution
    This canonical solution was verified and marked as solved in the Apple Support Community archive.

    Flushing AudioUnit cache plist and triggering an isolated AU validation pass.

    Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:

    1. Quit Logic Pro and delete the corrupt cache: 
      rm -f ~/Library/Caches/AudioUnitCache/com.apple.audiounits.cache
    2. Kill core audio daemon: 
      sudo killall -9 coreaudiod
    3. Open Logic Pro, navigate to Settings > Plug-in Manager, locate the crashed AU plugin, and click Reset & Rescan Selection.

    Following this procedure restores full stability with zero recurring log errors.

    Apple TV 4K (128GB Ethernet) | HomePod (2nd Gen Pair) | iPhone 16 Pro | London, UK
    Apple Certified Support Professional (ACSP) | Smart Home & Matter/Thread Integrator
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