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When closing Firefox windows, I would like a warning before the last window closes. The about:config settings do nothing. There is a warning for multiple tabs..

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  • Nuɖoɖo mlɔetɔ 33Nicolas

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When closing Firefox windows, I would like a warning before the last window closes. The about:config settings do nothing. There is a warning for multiple tabs... why not for the last window? I do not use tabs... just windows... I have a mouse button programmed for that. It is really irritating to have to restart Firefox all the time and then open the history window because no warning was issued!

When closing Firefox windows, I would like a warning before the last window closes. The about:config settings do nothing. There is a warning for multiple tabs... why not for the last window? I do not use tabs... just windows... I have a mouse button programmed for that. It is really irritating to have to restart Firefox all the time and then open the history window because no warning was issued!

All Replies (6)

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Firefox will usually only give a warning when you close a window with more than one tab open and you have startup setting to open the home page or a blank page (i.e. not restore the previous session).

You can look at these warn prefs on the about:config page and toggle the value to true via the right-click context menu or double click with the left mouse button.

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I repeat... the about:config settings have no effect.

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What is the current startup setting?

  • Tools > Options > General > Startup: When Firefox Starts:

How many tabs are there open in the window(s)?

Is that only one tab?

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This is ridiculous. I've had this problems for years now and I'm finally walking away from Firefox. I use my keyboards more than my mouse, and how many times does your finger slip and hit Command Q instead of W. How come FF can't reset something as trivial as this? So many people are having problems with this?

Feels like FF has become too big, too slow and just not cooperative anymore. What a shame, I've been using Netscape/Firefox for 13 years. This is silly.

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You can try if you can install this extension on Mac:

It is supposed to work on Linux, but may work on Mac as well as it only disables the key_quitApplication shortcut.

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It seems to defeat the purpose when 90% of what I use are shortcuts. This should have been able to be re-enable. People have been complaining a lot about it for quite some time.

I remapped the quit tab shortkey. Not elegant and definitely a nuisance.

Why can't the Firefox team re-enable the warn before quitting problem?