How to Remove Mozilla Firefox Completely from PC

by Mayur on September 10, 2008

in Firefox, Tips 'n' Tricks

If you’re experiencing strange issues in any version of Firefox, doing a complete uninstall and cleanout as covered below is also recommended to resolve this.

Here are the steps to be followed to remove Firefox completely:

  1. Backup your bookmarks. In Firefox 2 go to the Bookmarks menu, select ‘Organize Bookmarks’, then select File>Export. In Firefox 3, select ‘Organize Bookmarks’, then ‘Import and Backup’>Export HTML.
  2. Then Remove Firefox from Add/Remove Programs(Windows XP) or Programs & Features(Windows Vista). During uninstallation, tick the ‘Remove my Firefox personal data and customizations’ box.
  3. Delete the folder \Program Files\Mozilla Firefox (This is the place where Firefox is installed, and on most of the PC’s it is installed in the path C:\Program Files\Mozilla Firefox)
  4. Delete the following directories if they exist:
    In Windows XP
    \Documents and Settings\[username]\Application Data\Mozilla
    \Documents and Settings\[Username]\Local Settings\Application Data\Mozilla
    In Windows Vista -
    Note: This will delete all of your bookmarks and saved settings, so make sure you’ve backed up them. Also note down any passwords which you might otherwise forget.
    5. The final step is to remove all registry entries of Firefox. Using the Windows Registry Editor (Start>Run>Regedit), delete the following keys – ie. right click on their name in the left pane of Registry Editor and select Delete:
  •       [HKEY_CLASSES_ROOT\FirefoxHTML]
  •       [HKEY_CURRENT_USER\Software\Mozilla]
  •       [HKEY_CURRENT_USER\Software\MozillaPlugins]
  •       [HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins]

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{ 5 comments… read them below or add one }

salman June 14, 2009 at 4:27 pm

it worked for me


Trulylatino March 4, 2010 at 7:09 am

4 me too. Thanks for the info, it’s very useful.


helmi skype February 10, 2011 at 6:41 am

how to delete mozila firefox permanently and download google chrome latest
thanz 4 info


aruhadi August 25, 2011 at 6:51 am

thaks. keep posting bro


Martins March 11, 2012 at 8:28 am

I want delecte completeliy mozillafiox from my comoputer


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