@FckNames1 said in How to remove the "Streaming [Page URL] Stop - Share this card" pop-up:
Opera GX https://sharpedgeshop.com/de/blogs/knife-types/japanese-bunka-knife
It happen without any extension https://zahnarztslowenien.at/
And i see it when i try screensharing via web pages like Watch2Gether
It's not Opera's fault, it's the foundation. Check other browsers to confirm the culprit.