Plug-In Scanning in Logic Pro X

Rescan a single failed plug-in

  1. In the Logic Pro X menu bar, navigate to Logic Pro X > Preferences > Plug-In Manager
  2. Select the Soundtoys folder in the column on the left
  3. Confirm that the Use column is checked off
  4. Select the Soundtoys plug-in(s) that have failed validation and then click the Reset & Rescan Selection button and then the Done button

Rescan all plug-ins

To automatically rescan all installed plug-ins, remove the Audio Unit cache file.

  1. In the Finder, press Option and choose Go > Library.
  2. In the Finder window, go to Library/Caches/AudioUnitCache.
  3. Move the files from AudioUnitCache folder to the Desktop. 
  4. Restart the computer, then open Logic Pro X. All installed Audio Units plug-ins will be rescanned.
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