Why all of a sudden the advertisements again?

[Tin-Can]

I get dizzy when I get too close to the Edge.

Don't have to worry about any of that now that I've dumped Windows in favor of Linux Mint.

All good info fellas, thanks. But since I use 2 different desk top PC's and one I can't change operating system or upload any different type of search engine or browser, I have to continue using what is compatible on both.
I started this thread mainly to ask why the new BFT site, which was supposedly eliminating all those pop up type ads, was suddenly allowing them to jump up and cover half my screen.   It happened 3 or 4  times yesterday, and each time I closed them, and clicked  the box that said "Don't show this ad anymore" and so far have not had anymore.