Firefox Couldn’t Load XPCOM Error Solved
In Short: Firefox couldnt load XPCOM is a general issue you may face while opening it on your Windows laptop or PC, this article covers the ways to fix it.
Mozilla Firefox is one among the favored browsers after chrome, it’s a favorite browser for web developers because it has many extensions to support development, Mozilla releases its updates for Firefox because it gets newer features, sometimes it becomes incompatible with windows thanks to new features or thanks to other installed programs, even after many testing it fails to be compatible with windows and related programs.
Sometimes it acts weird and gives you errors one of them is “Couldn’t Load XPCOM” while launching Firefox on Windows computers. If you tried fixing it by doing the virus scan, removing junk files, and doing a system reboot many times, but it does not fix this error then here are a few recommended methods to fix the “Couldn’t load XPCOM” error.
Best Ways To Fix Firefox Couldn’t Load XPCOM error
Complete Uninstall and Re-install Firefox
Method 2- Method 1 might not work for everybody because upgrading to the remake might not remove the basis explanation for this problem. If the above method works then great, if not you would like to completely uninstall Firefox and re-install to the most recent version to urge this problem fixed.
Complete Uninstall means you need to remove everything related to Firefox from your computer like –
- Uninstalling Firefox
- Remove Registry entries
- Remove from Program files
- Delete entries from the AppData folder
- Deleting from Program data Folder
All the above task is going to be tedious, especially removing entries from the registry, since I don’t recommend playing with Registry Editor, deleting the wrong registry keys may lead to other errors or complete system failure.
So Download and install Iobit Uninstaller and uninstall Firefox using Uninstaller, also perform Powerful Scan which finds all registry entries and leftovers of Firefox, select all leftover items and delete them.
After Uninstalling Firefox by Iobit Uninstaller, you need to delete one more folder from AppData.
Press the Win+R button it will open the Run dialogue box, type %appdata% in it, and hit enter.
It will open the Roaming folder. Find and delete the Mozilla folder.
Firefox is now completely removed from your computer. Now download the latest version of Firefox using another browser and install it, you would be able to open and browse the internet on Firefox without any error.
Play the above video to observe the entire Uninstall and Re-install of Firefox. If you face any issues during this process please comment below.
This error is more likely to cause by some malware that messes with Mozilla Firefox, it’s recommended to Scan your computer for possible malware using any good Antivirus program like Kaspersky Total Security
Mustafa Al Mahmud is the Founder and CEO of Gizmo Concept and also a professional Blogger, SEO Professional as well as Entrepreneur. He loves to travel and enjoy his free moment with family members and friends.