Updating mac os
Note carefully that simply re-installing Audacity will not clear and reset your Audacity settings for preferences and plug-ins.
For instructions on how to achieve this please see Reset Audacity Settings.
If you installed FFmpeg while Audacity was running, or if you installed FFmpeg to a non-default location, Audacity will ask you to configure Preferences to locate the FFmpeg library.
To do this, access Preferences then the "Libraries" tab on the left: FFmpeg Library Version should now show a set of three version numbers for the sub-libraries of FFmpeg ("F" for libavformat version, "C" for libavcodec version and "U" for libavutil version).
Because Audacity's shipped plug-ins are now bundled inside the application, any still extant Nyquist plug-ins that came with previous Audacity will appear as a second copy of the plug-in in the Generate, Effect or Analyze Menu.
Duplicates of other previously shipped plug-ins might appear even if they no longer exist, in which case they will fail to run.
Installing the 64-bit FFmpeg library will not overwrite or delete your 32-bit FFmpeg library if you have one installed.Look over at the status of “mac OS Software Update” to see whether the update servers are working as they should.If the bubble is green, then they’re fine and the issue lies elsewhere.The Apple logo should appear on your screen with a loading bar, and after that you should boot into Safe Mode.From here, run the mac OS update as you normally would to install the update – hopefully without a hitch.