Soozievt - I am not particularly computer savvy either (just trying to help), but according to my D, and this is for Explorer, there is a "tools link" in the header that you can click on; it brings you to a variety of options including a pop up blocker that you can turn on and off, and even a more advanced settings feature.
Let's see if there is anyone a bit more technical here amongst our CC family that can take things from there
