Let’s do a full clean re-install;

Note: Firefox comes in three or more folders on all computers. They are;

Maintenance: (Programs Folder) <Windows Only> Firefox itself: (Programs Folder) And two folders in the profile of each user on the computer for each Firefox profile for that user.

If you remove the Firefox folder, the user profiles would not be affected.

Download Firefox For All languages And Systems {web link}

Save the file. Then Close Firefox.

Using your file browser, open the Programs Folder on your computer.

Windows: C:\Program Files C:\Program Files (x86) Note: Check Both Folders

Mac: Open the "Applications" folder. https://support.mozilla.org/en-US/kb/how-download-and-install-firefox-mac

Linux: Check your user manual. If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it. See Install Firefox on Linux; https://support.mozilla.org/en-US/kb/install-firefox-linux

If you downloaded and installed the binary package from the Firefox download page, simply remove the folder Firefox in your home directory. http://www.mozilla.org/firefox#desktop ++++++++++++++++++++++++++++ Look for, and remove any Mozilla or Firefox program folders. Do not remove the Mozilla Thunderbird folder if there is one.

Do Not remove any profile folders.

After rebooting the computer, run a registry scanner if you have one. Then run the installer. +++++++++++++++++++++++++++ If there is a problem, start your Computer in safe mode and try again.

How to Start all Computers in Safe Mode; {web link} Free Online Encyclopedia

I did all of the stuff you had mentioned above and it still doesn't work at all Note did all of Mozilla and Firefox folders also any hidden folders too on my PC and all of the Registry entries too then I had reinstalled your browser it still didn't work at all. I'm tell you about this after the sixth time installing it and tried to use your Browser "version 74.00 x64 en-us.

Note The only Program that works is Mozilla Thunderbird but I don't use it much and it is not completely set up for my needs at this point of time.

Are you installing v74 or the current?

This is the version that is installed on my PC computer now and it hasn't worked for almost a year or so now its the version that I had download since last working version update that was done automatically to Firefox that also didn't work too. Also I thought Firefox automatically update any version after its installed and running on my computer

I called for more help.

It has been a month since you had last tried to help me out! I guess you given up on this problem that I am having for sometime

Sorry. I called for more help. That is all I can do.