Dealing with unwanted content online is a headache, but you don't have to leave...

https://www.bookmark-tango.win/want-to-clean-up-your-digital-footprint-it-s-not-just-about-hitting-delete

Dealing with unwanted content online is a headache, but you don't have to leave it to chance. Start by documenting everything with clear, timestamped screenshots before you delete anything