A pop-up blocker (sometimes called a pop-up killer) is a program that prevents pop-ups from displaying in a user's Web browser. Pop-up blockers work in a number of ways: some close the window before it appears, some disable the command that calls the pop-up, and some alter the window's source HTML.

See the following instructions for how to turn off your pop-up blockers. We have included instructions for :-

• Internet Explorer