You can determine where the pop-up is coming from by the appearance of the window. The pop-up may not actually be coming from Firefox. Pop-ups not being blocked Is the pop-up coming from Firefox? For more information, see the What are Pop-ups? section above. Note: Blocking pop-ups may not always work and may interfere with some websites. Don't show this message when pop-ups are blocked.Edit Pop-up Blocker Options Preferences….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 Options Preferences 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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