Changes to toolbars and window sizes are not saved

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In some instances, Firefox may not remember changes you've made to your toolbar settings or certain other configuration changes.


This article explains how to fix the underlying problem that may result in one or more of the following symptoms:

  • Changes that you made to your toolbars are not saved when you restart Firefox.
  • Changes made to the browser window's size and position are not remembered when you restart Firefox.
  • You cannot save new bookmarks.

Reset Firefox to fix the problem

Firefox's reset feature will reset toolbar preferences and disable add-ons that could be interfering.

Note: When using the reset feature, your bookmarks, browsing history, open tabs, windows, passwords, cookies and web form auto-fill information will be saved. However, your extensions and themes will be removed and your preferences will be reset.When using the reset feature, your bookmarks, browsing history, passwords, cookies and web form auto-fill information will be saved. However, your extensions and themes will be removed; open tabs, windows and tab groups will not be saved; and your preferences will be reset. Learn more.
  1. At the top of the Firefox window, click the Help menu and select Troubleshooting Information.At the top of the Firefox window, click the Firefox button, go over to the Help sub-menu and select Troubleshooting Information.On the menu bar, click the Help menu and select Troubleshooting Information.
    Reset Firefox 1 - WinXP Troubleshooting info - win Troubleshooting info - mac Troubleshooting info - lin
    If you're unable to access the Help menu, type about:support in your address bar to bring up the Troubleshooting information page.
  2. Click the Reset Firefox button in the upper-right corner of the Troubleshooting Information page.
    Reset Firefox 2 - WinXP Reset Firefox - Win - 1 Reset Firefox - Mac - 1 Reset Firefox - Lin - 1
  3. To continue, click Reset Firefox in the confirmation window that opens.To continue, click Reset Firefox in the confirmation sheet that slides down.
  4. Firefox will close and be reset. When it's done, a window will list the information that was imported. Click Finish and Firefox will open.Firefox will close and be reset. When it's done, a window will list the information that was imported. Click Done and Firefox will open.
  1. Click the menu button New Fx Menu and then click help Help-29 .
  2. From the Help menu choose Troubleshooting Information.
    If you're unable to access the Help menu, type about:support in your address bar to bring up the Troubleshooting information page.
  3. Click the Reset Firefox… button in the upper-right corner of the Troubleshooting Information page.
    Reset 29 Win Reset 29 Mac Reset 29 Lin
  4. To continue, click Reset Firefox in the confirmation window that opens.
  5. Firefox will close and be reset. When it's done, a window will list the information that was imported. Click Finish and Firefox will open.

Causes

The above symptoms are usually caused by a corrupted file in your Firefox user data, called localstore.rdf. This file is maintained by Firefox to manage some of your configuration settings.

Another possible cause is a misbehaving Firefox extension.

Fixing the problem

Resetting localstore.rdf

  1. At the top of the Firefox window, click the Firefox button, go over to the Help menuOn the menu bar, click the Help menuAt the top of the Firefox window, click the Help menu and select Restart with Add-ons Disabled.... Firefox will start up with the Firefox Safe Mode dialog.
    Note: You can also start Firefox in Safe Mode by holding down the shift key while starting Firefox.holding down the option key while starting Firefox.quitting Firefox and then going to your Terminal and running: firefox -safe-mode
    You may need to specify the Firefox installation path (e.g. /usr/lib/firefox)
    Click the menu button New Fx Menu , click help Help-29 and select Restart with Add-ons Disabled.... Firefox will start up with the Firefox Safe Mode dialog.
    Note: You can also start Firefox in Safe Mode by holding down the shift key while starting Firefox.holding down the option key while starting Firefox.quitting Firefox and then going to your Terminal and running: firefox -safe-mode
    You may need to specify the Firefox installation path (e.g. /usr/lib/firefox)
  2. In the Firefox Safe Mode dialog, select Reset toolbars and controls and click Make Changes and Restart.

    50c17976d1bd6a4a7608e862ce87cf56-1259976743-499-1.png 50c17976d1bd6a4a7608e862ce87cf56-1238098942-151-2.jpg 50c17976d1bd6a4a7608e862ce87cf56-1263704014-536-1.png

You should now be able to customize your toolbar settings and controls, change the browser window size or position, and save new bookmarks, and those changes will be remembered when you restart Firefox.

Disabling extensions

If the previous solution did not help, you can temporarily disable all extensions and then restart Firefox. If the symptoms go away then one of your extensions was causing the problem. For more information, read Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems.



Based on information from Corrupt localstore.rdf (mozillaZine KB)



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