These dialogue boxes aren't frivolous they are generated and appear when something of high importance needs your attention or action immediately. These types of pop-ups on computers and device facilitate a method of alerting you that some action is necessary, usually because an application wants to get your attention. Sometimes this pop-up appears when it's necessary for you to enter a password, for example, when you make a purchase on your smartphone and need to enter your password to authorize the purchase.Īnother pop-up that often appears is the window that advises you that a step you're trying to perform isn't allowed and requires a different keystroke or command.

There are two main categories of pop-up: computer dialogue boxes that appear on a desktop or mobile device and online advertisements, which are the ones that appear on websites.Ĭomputer dialogue boxes, which appear as a pop-up window on your desktop or mobile device, are used to communicate relevant information from a computer or application to you. Pop-ups are web browser windows or computer dialogue boxes that open without any user action.

What is a pop up blocker on my computer