Firefox keeps asking for exceptions of security for many Web sites after the reset of the browser after Yahoo hacked my search engine toolbar

Yahoo has hijacked my search bar where I could not find anything other than this site. I reset Firefox and now MANY sites continue to ask for a security exception. At amazon, gmail, google, and every google search. Even after that I confirm my exception of gmail security, gmail messenger does not work and my photo on my gmail theme model. I removed the cert8 and certoverride files in my profile. I also SSL and TSL checked under Option > advanced > encryption. Help, please. I want to use Firefox.

Some Firefox problems can be solved by performing a clean reinstall. This means that you remove Firefox and all the leftover program files and then reinstall Firefox. Please follow these steps one by one:

  1. Download the latest version of Firefox from http://www.mozilla.org office and save the installer to your computer.
  2. Once the download is complete, close all Firefox Windows (click Exit in the file menu or Firefox) and confirm all future messages.
  3. Now, uninstall Firefox by following the steps mentioned in the article to Uninstall Firefox .

IMPORTANT: Under Windows, the uninstall program has the option to remove your personal data and settings. Make sure that you have not check this option. If not all of your bookmarks, passwords, extensions, customizations and other Firefox data user profile will be removed from your computer.

After uninstalling Firefox on Windows, delete the folder of the program "Mozilla Firefox", located by default in one of the following locations:

  • (Windows 32-bit) C:\Program Files\Mozilla Firefox
  • (On 64-bit Windows) C:\Program Files (x 86) \Mozilla Firefox
  1. Go to the Windows Start menu and click on 'computer '.
  2. In the Explorer window that opens, double-click on disk Local (c) to open the C:\ drive.
  3. Find the folder "Program Files (x 86)" or "Program Files".
    • On 32-bit Windows, double-click the Program Files folder to open it.
    • On 64-bit Windows, you'll see a folder "Program Files (x 86)" AND a "Program Files" folder. Open the Program Files (x 86) folder.
  4. You are looking for a folder of Mozilla Firefox . If you find one, right click and select delete and confirm that you want to move the folder to the trash.

Now, go ahead and reinstall Firefox:

  1. Double-click on the downloaded Setup file and go through the steps in the installation wizard.
  2. Once the wizard is completed, click to open Firefox directly after clicking the Finish button.

Please report back to see if this helped you!

Tags: Firefox

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