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Trying to close Firefox from EXIT and getting message - all windows and tabs will close; how to fix this to restart with all open windows & tabs available?

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  • Last reply by cor-el

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I have a new copy of Firefox, Version 72.0.1 64bit, installed on a new desktop computer running Windows10 Home Version 1903 64bit and computer is up to date.

Firefox is not my default browser. 

Firefox Windows and Tabs History are set to Default.

For all the many years that I have used Firefox I have closed Ff from EXIT in the menu so that when I restart (from my Windows toolbar or Windows Desktop) all of my open regular windows and tabs are immediately available. Ff still offers this option according to Troubleshooting in Help,see IMAGE 1. Now when I click on EXIT I get a box telling me that I am about to close all windows and tabs, see IMAGE 2.
I prefer not to rely on Restore Previous Session, because in the past if Ff crashed, closed the browser for any technical reason. or if  I closed a window by accident, not all tabs were always restored.

Comparing my knowledge of the workings of computers to a person's knowledge of a car, I would say that I am qualified to drive but not I am not a mechanic; so please word any replies in regular English rather than techie English.

How can I fix this problem, preferably without losing any stored data, please ?

I would really appreciate the community's help.

Attached screenshots

Chosen solution

You can check the startup setting in "Options/Preferences -> General".

  • Options/Preferences -> General -> Startup: "When Firefox starts":
    "Show my windows and tabs from last time"

There is a checkbox to warn you.

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All Replies (3)

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Un-check the box in the warning dialog. You should not see it again.

Restore Previous Session uses the same saved session data as the general preference setting Startup, Restore Previous Session. (Also with the tickbox for not receiving a warning when closing multiple tabs.)

Previous session not closed correctly:

If you keep saving the same session, you will very probably keep receiving the warning.

You might try opening a second Firefox window, then drag your tabs to the second window one at a time. Close the first window, then close the second, populated window. Start Firefox and see if you still get the "didn't close properly" warning.

Edit: If you are using File → Exit, you may want to try the suggested method of using the Firefox Menu ☰ → Quit. One would think they do the same thing, but if you continue to have an issue, it's worth a try.

Modified by crankygoat

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Hi AZURED, I found this on AskVG: How to Restart Mozilla Firefox Without Losing Tabs

I hope it helps.

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Chosen Solution

You can check the startup setting in "Options/Preferences -> General".

  • Options/Preferences -> General -> Startup: "When Firefox starts":
    "Show my windows and tabs from last time"

There is a checkbox to warn you.