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How do I uninstall Firefox?

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New User

How do I uninstall Firefox?

I'm running Windows XP SP3 and have followed the instructions on your website. However, not only will the computer NOT uninstall from the add/remove programs screen, the Mozilla Firefox Helper.exe file will NOT open!! Suggestions? Thank you in advance.

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3 REPLIES
Mozilla Support Contributor

Re: How do I uninstall Firefox?

  1. Find the Firefox root folder and delete it
  2. Type %appdata% in the Run window
  3. Open the Mozilla folder
  4. Delete the Firefox folder

This should work. If it doesn't, comment below. I have Windows XP SP3 as well and have removed Firefox using this method before.

Out of curiosity, why are you deleting Firefox anyway?


WARNING: Use caution when deleting files/folders. Deleting incorrect files/folders can damage other programs and/or your Windows program.

Grand Master

Re: How do I uninstall Firefox?

You can delete Firefox, refer to

But yes, why are you uninstalling? We could likely fix your problem.

New User

Re: How do I uninstall Firefox?

I reinstall, and then I could uninstall