@bamh1d Well, I can now report that the problem somehow seems to be resolved. That is to say, I can once again open links in Opera without having to close/re-open it. I don't understand any of this - how having an active Google tab seemingly blocked opening of other links, and how the problem apparently was fixed without any intervention from me. Anyone care to comment?

@eliotg2018 As already answered several times, you can't.

@expandw See https://forums.opera.com/topic/23068/instructions-on-posting-about-problems-in-opera-for-computers

@abdulbadi You use a command line. See peter.sh/experiments/chromium-command-line-switches/ for a list of them.

Thank you, that cleared it up. I had no idea it was on and didn't know where it was.

@dom2018 Some site you have visited had a file that was detected as a malware. Or maybe something you got on WhatsApp.

thank you!