Refresh Firefox - reset add-ons and settings

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If you're having problems with Firefox, resetting it can help. The reset feature fixes many issues by restoring Firefox to its default state while saving your essential information like bookmarks, passwords, and open tabs.
Note: Extensions and extension data are removed.
If you're having problems with Firefox, refreshing it can help. The refresh feature fixes many issues by restoring Firefox to its default state while saving your essential information like bookmarks, passwords, and open tabs.
Note: Extensions and extension data are removed.

Reset Firefox to its default state

  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.
  1. Click this Refresh Firefox button directly, if you are viewing this page in Firefox (it won't work if you are using a different browser). You will also find a Refresh button on the top right corner of the Firefox about:support Troubleshooting Information page.
  2. To continue, click Refresh Firefox in the confirmation window that opens.
  3. Firefox will close to refresh itself. When finished, a window will list your imported information. Click Finish and Firefox will open.

Note: There's also a Refresh Firefox Reset Firefox button in the Firefox Safe Mode window, if you can't start Firefox normally.

What does the reset feature do?

All of your Firefox settings and personal information are stored in a profile folder. The reset feature works by creating a new profile folder for you while saving your important data.

Add-ons which are normally stored inside the Firefox profile folder, such as extensions and themes, will be removed. Add-ons stored in other locations, such as plugins, will not be removed but any modified preferences (such as plugins you have disabled) will be reset.

Refresh Firefox

  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.
  1. Click this Refresh Firefox button directly, if you are viewing this page in Firefox (it won't work if you are using a different browser). You will also find a Refresh button on the top right corner of the Firefox about:support Troubleshooting Information page.
  2. To continue, click Refresh Firefox in the confirmation window that opens.
  3. Firefox will close to refresh itself. When finished, a window will list your imported information. Click Finish and Firefox will open.

Note: There's also a Refresh Firefox Reset Firefox button in the Firefox Safe Mode window, if you can't start Firefox normally.

What does the refresh feature do?

All of your Firefox settings and personal information are stored in a profile folder. The refresh feature works by creating a new profile folder for you while saving your important data.

Add-ons which are normally stored inside the Firefox profile folder, such as extensions and themes, will be removed. Add-ons stored in other locations, such as plugins, will not be removed but any modified preferences (such as plugins you have disabled) will be reset.

Firefox will save these items:

  • Bookmarks
  • Browsing history
  • Passwords
  • Cookies
  • Web form auto-fill information
  • Bookmarks
  • Browsing history
  • Passwords
  • Cookies
  • Web form auto-fill information
  • Personal dictionary
  • Bookmarks
  • Browsing history
  • Passwords
  • Open windows, tabs and tab groups
  • Cookies
  • Web form auto-fill information
  • Personal dictionary

These items and settings will be removed:

Note: Your old Firefox profile will be placed on your desktop in a folder named "Old Firefox Data". If the resetrefresh didn't fix your problem you can restore some of the information not saved by copying files to the new profile that was created. If you don't need this folder any longer, you should delete it as it contains sensitive information.


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