Removing sound plugins

You may find some extensions in Apple menu -> System Preferences -> Extensions, and under Apple menu -> System Preferences -> Security & Privacy -> Security and selecting the left hand side panel items until it appears. Unlock the padlock to remove or disable.

Backup your data if it is still stuck, and then, use Devon Technologies EasyFind to locate the files relevant to the extension in safe mode (holding shift key at startup).

https://www.devontechnologies.com/apps/freeware

Note, you will need to reveal in the Finder any item that requires a password to remove. The program does not do that for items that require special permission. Be mindful you aren't deleting any essential files.

From the Finder, HIT Shift-Cmd-G and TYPE:

/Library/Extensions

Then inside that folder, look for a "Soundflower.kext" file. If there is one, DRAG it into the trash (you may be asked for the admin password)

REPEAT THE ABOVE STEP, typing in this folder path:

/System/Library/Extensions

also in those extension folders, look for anything that has "Extention Recording Driver"

Then, empty your trash and restart your mac. 

in some cases there's a terminal command that you need to use, but in most cases, it's not necessary. if you do need the terminal command:

OPEN THE TERMINAL APP (found in /Applications/Utilities/)

Type this line, entering your password when asked.

sudo touch /Library/Extensions/

Restart your mac.

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