Firefox starts automatically when I restart Windows

Revision Information
  • Revision id: 192240
  • Created:
  • Creator: Wesley Branton
  • Comment: Updated for about:config redesign
  • Reviewed: Yes
  • Reviewed:
  • Reviewed by: AliceWyman
  • Is approved? Yes
  • Is current revision? No
  • Ready for localization: Yes
  • Readied for localization:
  • Readied for localization by: AliceWyman
Revision Source
Revision Content

This article only applies to Firefox on Windows.

If you leave Firefox open when Windows shuts down, Firefox may automatically re-open with your previously opened tabs the next time you start Windows. Here's how to disable the feature.

Prevent Firefox from starting automatically

  1. Type about:config in the address bar and press EnterReturn.
    A warning page may appear. Click Accept the Risk and Continue to go to the about:config page.
  2. Search for toolkit.winRegisterApplicationRestart.
  3. Double-click itClick the Toggle Fx71aboutconfig-ToggleButton button to set its value to false.

There's no need to restart Firefox; the changes take effect immediately.