Firefox Health Report says your browser is running slower than usual

So the Firefox Health Report said your browser is running slow. Well, we've got a quick fix for you - Reset Firefox. Don't worry, when you reset Firefox we save all of your bookmarks, browsing history, passwords, cookies and web form auto-fill information. Here's how it works:

  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 Refresh Firefox button in the upper-right corner of the Troubleshooting Information page.
    Refresh 35 Win Refresh 35 Mac Refresh 35 Lin
  4. To continue, click Refresh Firefox in the confirmation window that opens.
  5. 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 button in the Firefox Safe Mode window, if you can't start Firefox normally. If you are unable to find the Refresh Firefox button on your version of Firefox, you can also do a manual refresh by creating a new profile. See instructions on how to create a new profile.

If the Firefox Health Report says your browser is running slow, try the Refresh feature by clicking this button: Refresh Firefox.

You can also find the Refresh button on the top-right corner of the Troubleshooting Information page. Type about:support into your address bar.

The Refresh feature removes add-ons while saving all of your bookmarks, browsing history, passwords, cookies and web form auto-fill information.

Tip: Want to learn more about this feature before you try it? See Refresh Firefox - reset add-ons and settings
Tip: For more info on fixing slow startup times, see Firefox takes a long time to start up.

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