Type or paste the address of a website and click the Allow button to add it to the list of sites that will be allowed to open pop-up windows.The dialog box offers you the following choices: Click the Exceptions… button to the right of Block pop-up windows to open a dialog box to choose which sites are allowed to display pop-ups.Uncheck the box next to Block pop-up windows to disable the pop-up blocker altogether.Click the menu button and select Settings. In the Menu bar at the top of the screen, click Firefox and select Preferences.To allow specific websites to use pop-ups, while still blocking all others, you can add those specific websites to the list of allowed sites.īlocking pop-ups doesn't always work: Although Firefox blocks most pop-ups, some websites may show pop-ups using uncovered methods, even when they are blocked. Blocking all pop-ups disables such features. Don't show this message when pop-ups are blockedīlocking pop-ups may interfere with some websites: Some websites, including some banking sites, use pop-ups for important features.When you click either the Options Preferences button in the info bar or the icon in the address bar, a menu is displayed with the following choices: When blocking a pop-up, Firefox displays an information bar (if it hasn’t been previously dismissed – see below), as well as an icon in the address bar. Pop-up blocking is turned on by default, so you don't have to worry about enabling it to prevent pop-ups from appearing in Firefox. Some pop-ups open on top of the current Firefox window, while others appear underneath Firefox (pop-unders).įirefox allows you to control both pop-ups and pop-unders in Firefox Settings They vary in size, but usually don't cover the whole screen. Pop-up windows, or pop-ups, are windows that appear automatically without your permission. 3.3 Is the pop-up shown after a mouse click or a key press?.3.2 Is the pop-up blocker on and enabled for this site?.

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