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[Solved] Audio Unit (AU) Validation Crash on Launch in Logic Pro Plugin Manager on macOS Sequoia 15.1: Diagnostic steps and permanent fix

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Home › Forums › Logic Pro, Final Cut Pro & Pro Apps › [Solved] Audio Unit (AU) Validation Crash on Launch in Logic Pro Plugin Manager on macOS Sequoia 15.1: Diagnostic steps and permanent fix

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  • November 14, 2026 at 12:28 pm #4338
    Hannah Brooks
    Apple Master (Lvl 10)
    Diagnostic Hardware Specs: Mac mini M4 Pro | OS Version: macOS Sequoia 15.1 | Archive Source: Apple Support Community #256057413

    I am running into a persistent issue on my Mac mini M4 Pro running macOS Sequoia 15.1.
    Whenever the machine encounters AUv2 component missing Apple Silicon native notarization or hardened runtime entitlement, the following diagnostic log appears in Console:

    auvaltool: [AUValidation] Failed to load component: Code signature invalid or missing entitlements

    I verified that hardware connections are intact and tested across different power sources. What is the verified diagnostic procedure to permanently eliminate this symptom?

    Mac mini M4 Pro | macOS Sequoia 15.1
    Apple Discussions Contributor | "Verified Apple Diagnostics Archive"
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