Article Discussion How to Fix Firefox XULRunner Error on Windows 11: A Quick Guide

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How to Fix Firefox XULRunner Error on Windows 11: A Quick Guide - First, check you have stable internet connection.

f you're encountering the XULRunner error in Firefox on your Windows 11 device, don't worry. This guide will help you fix the issue quickly and get your browser back to normal.

How to Fix XUL Runner Error in Firefox?​

1. Uninstall and Reinstall Firefox​

• Open Control Panel:
  • Press Windows Key + S, type Control Panel, and press Enter.
• Navigate to Programs:
  • Click on...

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