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Firefox crashes when any tab in a open window is closed or when i restart the program after taking off toolbars. fix this?

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The Firefox program crashes whenever a tab is closed in any window. I tried to solve this problem by disabling my Norton add-on tool bar but the process requires me to restart Firefox. I have tried multiple times but the program crashes instead of restarting so the tool-bar cant be disabled. How can i fix the issue?

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More Information

cor-el
  • Top 10 Contributor
  • Moderator
10749 solutions 96724 answers

You can use one of these to start Firefox in Safe mode:

  • On Windows, hold down the Shift key while starting Firefox with a double-click on the Firefox desktop shortcut
  • On Mac, hold down the Options key while starting Firefox
  • Help > Restart with Add-ons Disabled