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How do I make Firefox stop popping up alerts whenever I finish a download? I mean the alert you get when all downloads are complete, you get a pop-up/alert/notification that says, "All downloads completed". It has annoyed me for quite a while.

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up vote 4 down vote accepted

Here is what worked for me!

  • Go to the Firefox special link about:config (open a new tab, type in about:config into the address bar, and press ENTER)

  • Click the "I'll Be Careful, I Promise!" button

  • Type in into the search box

  • Toggle it to the value of false (unless it is already false, and then you are already good to go)

  • Enjoy alert-free downloading!!

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