Finding plugins is specific to each DAW, so it is worth Googling plugins missing in <DAW> for each DAW's specific methods.
Below are common folders to investigate, remove and replace plugins, reinstall, and rescan in your DAW.
Additionally, consider the information in I can only see VST2 or VST3.
If you are having trouble finding a plug-in in Apple Logic, please follow Apple's recommendations, repeated below:
- Bypass, remove, or rescan third-party plug-ins in Logic
- Rescan all plug-ins; this is done by moving all plug-ins out of their folder:
- In Finder, press Option and choose Go > Library.
- In Finder, go to Library / Caches / AudioUnitCache.
- Move the files from AudioUnitCache to the Desktop (for retrieval later).
- Restart the computer, then open Logic.
- All installed Audio Unit plug-ins will be rescanned.
- Where are third-party Audio Units plug-ins installed on Mac?
- Reset Logic settings:
- Choose Logic > Settings, and note your Logic settings.
- Choose Logic > Settings > Reset All Settings Except Key Commands.
Common plugin folders to check
Macintosh HD\Library\Application Support\Avid\Audio\Plug-Ins
C:\Program Files\Common Files\VST3
C:\Program Files (x86)\Common Files\VST3
C:\Program Files\Common Files\Avid\Audio\Plug-Ins
C:\Program Files(x86)\Common Files\Avid\Audio\Plug-Ins
C:\Program Files\Common Files\VST2
C:\Program Files\Common Files\Steinberg\VST2
C:\Program Files (x86)\Steinberg\VstPlugins
C:\Program Files (x86)\Common Files\Digidesign\DAE\Plug-Ins