How to clear your cache and cookies in Firefox

  1. Click the menu button New Fx Menu and choose Preferences.
  2. Select the Privacy & Security panel.
  3. In the Cached Web Content section, click Clear Now.
  4. Close the about:preferences page. Any changes you've made will automatically be saved.
  5. Restart your browser. To restart Firefox without losing your open tabs press Shift-F2 and then type restart into the console window before pressing Enter


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