I have been using McAfee for years, and today, for the first time while at this site, I got a message saying it had blocked a site. I have several tabs open, so I can't be sure which page it was blocking, but it was very interesting indeed to see a post here asking if McAfee is causing problems. Perhaps indeed one of the ads contains a malicious link. My subscription has expired, so some of the features are not available to me, but I may choose another AV program when the rest of my subscriptions expire next month.
Thanks for all the info, everyone.
I have a life.