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YouTube's plan backfires, people are installing better ad blockers
(www.androidauthority.com)
This is a most excellent place for technology news and articles.
Make sure there is only one ad blocker. Using multiple ad blockers pretty much guarantees you get the pop up.
Enhancer for Youtube has an ad blocker that has to be disabled and some addons for hiding youtube shorts can even trigger the popup.
It was the adblocker setting in Enhancer. Turned it off and problem solved, so thank you.