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At present I am using Firefox-25. The firefox quits without rasing the Browser.ShowQuitWarning(True) and my all the opened important tabs are closed instantly.

  • 3 replies
  • 8 have this problem
  • 5 views
  • Last reply by cor-el

sktneer
sktneer
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I have tried everything but no results. I am used to Firefox so don't want to switch to another browser. But this is a serious bug indeed. When I quit Firefox, it quits without giving me the option to save the current opened tabs and every time when I restart it, it starts with previous session with all tabs once again. Which is really annoying. Looking forward to your support ASAP.

I have tried everything but no results. I am used to Firefox so don't want to switch to another browser. But this is a serious bug indeed. When I quit Firefox, it quits without giving me the option to save the current opened tabs and every time when I restart it, it starts with previous session with all tabs once again. Which is really annoying. Looking forward to your support ASAP.

All Replies (3)

user709721
user709721
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Hello,

Certain Firefox problems can be solved by performing a Clean reinstall. This means you remove Firefox program files and then reinstall Firefox. Please follow these steps:

Note: You might want to print these steps or view them in another browser.

  1. Download the latest Desktop version of Firefox from http://www.mozilla.org and save the setup file to your computer.
  2. After the download finishes, close all Firefox windows (click Exit from the Firefox or File menu).
  3. Delete the Firefox installation folder, which is located in one of these locations, by default:
    • Windows:
      • C:\Program Files\Mozilla Firefox
      • C:\Program Files (x86)\Mozilla Firefox
    • Mac: Delete Firefox from the Applications folder.
    • Linux: If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see Install Firefox on Linux. If you downloaded and installed the binary package from the Firefox download page, simply remove the folder firefox in your home directory.
  4. Now, go ahead and reinstall Firefox:
    1. Double-click the downloaded installation file and go through the steps of the installation wizard.
    2. Once the wizard is finished, choose to directly open Firefox after clicking the Finish button.

Please report back soon!

Hope this helps!

Curtis

sktneer
sktneer Question owner
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Thanks for the reply. I have reinstalled the Firefox two times but nothing happened.

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
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You can check if you have an user.js file in the Firefox profile folder that sets the browser.sessionstore.resume_session_once pref to true.

Note that your System Details List shows that you have a user.js file in the profile folder to initialize some prefs on each start of Firefox.

The user.js file is only present if you or other software has created it, so normally it wouldn't be there. you can check its content with a plain text editor if you didn't create this file yourself.

The user.js file is read each time you start Firefox and initializes preferences to the value specified in this file, so preferences set via user.js can only be changed temporarily for the current session.

You can use this button to go to the Firefox profile folder:

  • Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)

Note that Windows hides some file extensions by default.
Among them are .html and .ini and .js and .txt, so you may only see a name without file extension.
You can see the real file extension (type) if you open the Properties of the file via the right-click context menu.