Cannot install SWB Audio Capture - permission denied

I've had a few people unable to install the driver.  

Looking at the logs, we see:

“SWBAudioDaemon.xpc” couldn’t be copied because you don’t have permission to access “SWBAudioDaemon”.
- The operation couldn’t be completed. Permission denied"

or; perhaps when recording:

Could not remove the daemon from disk 
(at: /Users/Shared/SWBAudioDaemon/SWBAudioDaemon.xpc), 
Error Domain=NSCocoaErrorDomain Code=513 "“SWBAudioDaemon.xpc” 
couldn’t be removed because you don’t have permission to access it."

It looks like permissions are incorrect. Probably because of an upgrade from a previous version of macOS (but I have no proof of that). Anyway, try either of the methods below:

Method 1 - Short version:

Change the permissions in two places:

1. ~/Library/LaunchAgents
2. /Users/Shared/SWBAudioDaemon

such that your own user is the owner.  

Method 2 - Delete /Users/Shared/SWBAudioDaemon/ 

1. Quit SWB SWB Audio App or iShowU Instant
2. Delete /Users/Shared/SWBAudioDaemon/ using Finder. Remove the whole folder. You'll need to be admin to do it, and Finder will prompt you for permission to delete the folder.
3. Now reload SWB Audio App or iShowU Instant
4. Reinstall the Audio Driver.

Example: How to change permissions using Finder:

This example is for ~/Library/LaunchAgents, but the idea is the same for /Users/Shared/SWBAudioDaemon (just use the 2nd path, in step (2))

1. Open Finder.
2. Press CMG-Shift-G to open the "Goto Path..." dialog. Type in ~/Library/LaunchAgents (it'll actuall autocomplete on recent versions of macOS)
3. Press CMD-I to being up the Info panel, for that folder.
4. Open up the Sharing & Permissions right at the bottom. 
5. You wan the owner to be yourself.  Owner is the little icon with the single person.
6. You want the privilege to be Read Write.
7. Click the Lock symbol to make changes.
8. Then change name by clicking the down arrow, and choosing 'make you owner'
   You can see the menu is greyed out for me, because I'm already the owner.

That should do it!