When I tried to install the DuckDuckGo Privacy Essentials add-on, I got a message saying the action failed and I should check the connection. Nothing wrong with that. Clues about what might be needed to sort this out?
You are probably still affected by https://blog.mozilla.org/addons/2019/05/04/update-regarding-add-ons-in-firefox/
To resolve this, make sure you’re running the latest version of Firefox. See https://support.mozilla.org/en-US/kb/update-firefox-latest-release for guidance on that.
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