@burnout426 Thanks burnout426. I have also been having this problem for a couple of weeks. I was about to follow your detailed instructions when I noticed your comment at the end citing security/anti-virus/firewall software as a possible issue. I had installed Malwarebytes just a couple of weeks ago. So I have just disabled it for a couple of minutes, and Opera has now updated for me. So thanks again, problem sorted, although I am now wondering what other issues Malwarebytes may be causing me !