The software giant first introduced malware-like pop-up ads last year with a prompt that appeared over the top of other apps and windows. After pausing that notification to address “unintended behavior,” the pop-ups have returned again on Windows 10 and 11.
Windows users have reported seeing the new pop-up in recent days, advertising Bing AI and Microsoft’s Bing search engine inside Google Chrome. If you click yes to this prompt, then Microsoft will set Bing as the default search engine for Chrome. These latest prompts look like malware, and once again have Windows users asking if they are legit or nefarious. Microsoft has confirmed to The Verge that the pop-ups are genuine and should only appear once.
Every trick Microsoft pulled to make you browse Edge instead of Chrome
That probably is a Ublock origin filterlist. Did you ever open UBOs settings? Try to not use too many, too many lists increase RAM and CPU usage and are all using badness enumeration so they will be 80% duplicates.
I dont know if UBO deduplicates them (removes duplicates), that would make sense.