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[BettyO]

I am using Chrome - and have never seen a pop up on any of these sites....

Genna; you could have malware on your PC. Malware behaves differently than a virus usually, but it is just as annoying. Sounds like malware to me. Some antivirus does not pick it up. MalwareBytes is a great free program to download and install. I use it all the time. It will take care of things that sometimes antivirus does not. I use Kaspersky antivirus in addition to MalwareBytes.

You may also want to go into your browser settings and go to "Advanced" and then go to "Privacy" and make sure that "No Popups Allowed" is checked. Still, there are no pop ups or advertisements here on the Forum. But it's safe to make sure that no pop ups are allowed on your machine.