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How do I remove unwanted toolbars, such as Yahoo! and Norton?

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I have a Compaq laptop running Windows Vista. I am normally a Mac user. I use Firefox in both environments. On my Compaq a Yahoo! and a Norton toolbar appears on the browser window and takes up valuable real estate. How do I remove them?

I have a Compaq laptop running Windows Vista. I am normally a Mac user. I use Firefox in both environments. On my Compaq a Yahoo! and a Norton toolbar appears on the browser window and takes up valuable real estate. How do I remove them?

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First of all, please update to at least version 3.6.17.

The reason for this is because there was a security breach at Comodo which is an SSL certificate provider recently whereby a number of fraudulent certificates were inadvertently issued. These allow a hacker to impersonate any site including online banking and the Firefox version you're running at the moment will not warn you that the site is a fake. The fraudulent certificates were blacklisted in v3.6.17 and beyond.

See: http://blogs.comodo.com/it-security/data-security/the-recent-ra-compromise/

To ensure a clean installation, please follow these steps:

  1. Go to Download Firefox v3.6.17 and download it to the desktop.

  2. Then go to Add/Remove Programs, scroll down to "Mozilla Firefox" and remove it, choosing to keep your bookmarks, customizations etc., (don't checkmark the box).

  3. Then reboot and delete the folder called "Mozilla Firefox" at this location: C:\Program Files\Mozilla Firefox

  4. Finally run the installation file you downloaded to the desktop earlier.

Your bookmarks, customizations etc., are maintained in a different location and will become available to you again once you complete the installation.


To remove toolbars, click Tools, go to Add-ons, then Extensions. You can remove them in there. See also: How to remove the Yahoo Toolbar


After you update Firefox please visit the Plugins Check page and update where necessary.