It is hard to explain. I have used successfully Firefox for many years. But in the past few weeks I cannot and have to switch to a different browser. Links don't open, that is the major problems. I have a AVG VPN, I thought that might be the problem but it is not, because even when I turned it off, it does not work. In addition even with my VPN on, all the other browers are working just fine. That's about it. Sincerely, Anne-Marie Mylar