Cannot get audacity program to shut down.

[steve]

Thank you Koz, that did the trick!

Which issue are you referring to?
This one:

Cannot get audacity program to shut down.

System Mac Sierra OX; Audacity 2.2.1; Audacity program froze when I canceled an export. I could not quit the program. Did not even show on Force Quit screen as running. I restarted the Mac. I then tried restarting Audacity’s but pop-up window said Audacity was already running. Can’t get it to shut down. What next? [moderator note: Similar post merged below] Will exporting music Audacity froze. Tried to quit but unable. Could not force quit so shut down my Mac. Upon start up I tried to open Au…

or this one:

Phantom Audacity issue on Macbook Pro / Sierra

I’m working on a MacBook Pro running Sierra 10.12.6 with Audacity 2.2.2 After a couple of crash recoveries due to a faulty power connector socket issue and the battery no longer holding a decent charge. After restarting the machine, when trying to open Audacity I get the prompt ‘Audacity is already running’ although it is clearly not! Shutting down and restarting several times the same problem persists, Force quit shows ‘finder’ as only active program… however the prompt box says ‘the system …

or this one:

No USB input level on Sierra 10.12

I recently updated to Sierra 10.12 …when using Audacity 2.2.2 with my USB Scarlet 18i8 the audio is getting to the Mac ok Apple/system preferences/sound the USB device is detected and the sound level is good. When I open Audacity nothing is getting through. I have followed all to advice in the on line manual checking Audacity system pref ‘quality’ settings match and USB is selected as input and output port but still nothing … I’m lost as to what to do next, can anybody help?