Thanks for the links. Popups were already blocked, so will take the advice to upgrade operating system. Only happending on 1 out of 3 my Apple computers so hoping for the best.
Today I previously posted about these flash messages that I have been getting serveral times a day for a week. Not just annoying, but disruptive, to have to deal with this. Please let me know what I can do besides not anwer them,
I am getting these many times a day for a week. They are not in my messages, but pop up on screen when I am anywhere- Pinterest, Twitter, etc. I know rnough to delete, not ckick but they are very disruptive. Screenshot examples but no paste or photo ...