GarageBand – Plugin Not Showing Up (Mac)

Problem: You installed Safari Plugins but they don’t appear in GarageBand.

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Step 1: Quit GarageBand

• Make sure GarageBand is completely closed before making any changes.

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Step 2: Locate the Audio Units Cache

1. Open Finder.

2. Navigate to the Audio Units cache folder:

   ~/Library/Caches/AudioUnitCache/

   (The ~ represents your home directory.)

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Step 3: Delete Cache Files

1. Inside the AudioUnitCache folder, delete all files.

   • These are typically named like com.apple.audiounits.cache.

2. This clears GarageBand’s cached plugin information and forces a full rescan on next launch.

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Step 4: Reset Audio Units Preferences (Optional)

1. Navigate to:

   ~/Library/Preferences/

2. Find the file com.apple.audio.info.plist.

3. Delete this file to fully reset Audio Units configuration.

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Step 5: Reopen GarageBand

• Launch GarageBand.

• The program will automatically rescan all Audio Units plugins, including Safari Plugins.

Important Notes:

• If the Library folder is hidden, press Command + Shift + . (period) in Finder, or select Go → Go to Folder and enter ~/Library.

• After clearing the cache, GarageBand may take longer than usual to start because it rescans all plugins.

• Safari Plugins appear as AU format in GarageBand; ensure you installed the AU plugin using the Safari Plugins installer.