[Randy West]

Apple Recommended / Verified Community Solution

This canonical solution was verified and marked as solved in the Apple Support Community archive.

Flushing local keychain daemon caches and re-authenticating with primary device lock screen passcode.

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

1. Confirm saved passwords exist locally on your iPhone in Settings > Passwords.
2. On Mac, turn Passwords & Keychain OFF in iCloud settings.
3. Purge local keychain cache: rm -rf ~/Library/Keychains/*/ && sudo killall -9 securityd secd.
4. Re-enable Keychain in iCloud settings and verify identity with iPhone lock screen passcode.

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

MacBook Air 13″ M3 (16GB) | iPhone 16 Pro (512GB) | AirPods Pro 2 | Portland, OR

Apple Certified Support Professional (ACSP) | Digital Nomad & Travel Filmmaker

[Randy West]

Apple Recommended / Verified Community Solution

This canonical solution was verified and marked as solved in the Apple Support Community archive.

Cleaning optical magnetic contacts, syncing prescription via Apple Health, and re-running Optic ID alignment.

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

1. Clean the optical insert gold alignment contacts with a dry microfibre lens cloth (avoid alcohol solutions).
2. Open the Health app on paired iPhone and confirm prescription metadata is present under Vision Prescription.
3. Go to Settings > Eyes & Hands > Optical Inserts on Vision Pro, tap Pair New Optical Inserts, and scan the physical pairing card under 500+ lux lighting.

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

MacBook Air 13″ M3 (16GB) | iPhone 16 Pro (512GB) | AirPods Pro 2 | Portland, OR

Apple Certified Support Professional (ACSP) | Digital Nomad & Travel Filmmaker

[Randy West]

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.

MacBook Air 13″ M3 (16GB) | iPhone 16 Pro (512GB) | AirPods Pro 2 | Portland, OR

Apple Certified Support Professional (ACSP) | Digital Nomad & Travel Filmmaker

[Author]

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