Mystery VPN

Check System Preferences>Network>choose interface>Advanced>Proxies Tab, make sure none are set, like for HTTP & HTTPS.

EtreCheck is a FREE simple little diagnostic tool to display the important details of your system configuration and allow you to copy that information to the Clipboard. It is meant to be used with Apple Support Communities to help people help you with your Mac. It will not display any personal info.

https://www.etrecheck.com/

Pastebin is a good place to paste the whole report if you capture the URL while there…

https://pastebin.com/

Whew, they've changed pastebin & made it harder, but after pasting in, click Create new paste button, then Embed button, then copy the URL...

<script src="https://pastebin.com/embed_js/KuvnghqA"></script>

The important part is...

https://pastebin.com/embed_js/KuvnghqA

Workable but harder for me to work with...the Note tool on the bottom of this editor's toolbar, as shown in the image, to copy and paste the output from EtreCheck. In a Reply before you click post, look for this to add longer texts...

GreenIslandGirl1 Said:

"Mystery VPN: Out of nowhere, websites and a VPN I installed are detecting another VPN, that I cannot find in the system preferences. How do I locate this, and remove it?"

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To Uninstall Security Software:

Security Software gets in the way on a Mac, and this is a pure example of how and why. Download the uninstaller directly from the developer, and nowhere else. Do not get it anywhere else. Elsewise, you may endup installing malware and spyware. VPNs are setup and activated by Security Software.