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remove old tab start up from old firefox

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  • Last reply by cor-el

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A few years ago, I created a tab to a website, to start-up with Firefox, that no longer exists. How can I permanently delete that tab so that it doesn't keep opening at Firefox start-up?

A few years ago, I created a tab to a website, to start-up with Firefox, that no longer exists. How can I permanently delete that tab so that it doesn't keep opening at Firefox start-up?

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  1. Click the ≡ Menu Button and choose Options.
  2. Click the General icon.
  3. From the Home Page text box, delete the URL in question and the | separator symbol, e.g.

How to set the home page

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Your System Details list shows that you have preferences that were used in previous Firefox versions and that are no longer supported in the current Firefox release.

  • browser.tabs.onTop: False
  • security.warn_viewing_mixed: False

You can reset such prefs on the about:config page via the right-click context menu to the default value.

If you want the tabs on bottom then you can look at the Classic Theme Restorer extension.


You can look at the Classic Theme Restorer extension to restore some functionality that was lost with the arrival of the Australis style in Firefox 29.

  • You can check out the settings of the CTR extension via its Options/Preferences button on the "Firefox/Tools > Add-ons > Extensions" page.
  • You can find extra toolbar buttons and more toolbar settings in Customize (3-bar Firefox menu button > Customize)

See also:

Modified by cor-el