MacOS 11.4 audio unusable due to Teamviewer 15.18.5 (84b102547c8) MultiOutputDevice

Options

Unable to adjust sound settings in menu's or System Preferences

error dialog: Sound Preferences Error "Could not load Sound preferences pane"

Restarted - lots of spinning beachball, but Sound Preferences opened, still cannot adjust volume.

Deleted TeamViewer - restarted - MultiOutputDevice still there, sound control still not functional.

Re-installed TeamViewer - still no sound control, Teamviewer MultiOutputDevice still there. cannot manage sound at all.

Answers