Pop-ups are ads that appear while you are surfing the Internet that can greatly detract from your experience. If you want to prevent your computer from displaying pop up ads, go to the options tab and place a checkmark where it states "block pop up windows." You may not want to disable pop ups entirely if some of the websites you visit make use of them to operate the site. To control which pop ups will be displayed, go to the settings tab on your computer. This will present you with several choices on controlling the pop ups you are exposed to.