Why should you try to avoid clicking the x to close a pop-up window?

Clicking the "X" to close a pop-up window can sometimes lead to unintentional actions, such as triggering additional pop-ups or ads. This action may also result in the loss of unsaved information if the pop-up contains a form or important content. Instead, using the designated "Cancel" or "Close" buttons within the pop-up, when available, can help ensure a smoother user experience and minimize unwanted interruptions.