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How to unistall Firefox 40.0.3 from Windows 10. Nothing worked so far.

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  • Last reply by FredMcD

Mozilla Firefox is like virus to me. I did try all possible advices I found on Internet and nothing did help. Is there any real support from creators of this stubborn browser?

Mozilla Firefox is like virus to me. I did try all possible advices I found on Internet and nothing did help. Is there any real support from creators of this stubborn browser?

All Replies (1)

Download Firefox For All languages And Systems {web link} Save the file. Then;

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

Windows: C:\Program Files C:\Program Files (x86) Mac: Open the "Applications" folder. Linux: Check your user manual.


Look for, and rename any Mozilla or Firefox folders by adding .old to them.

After rebooting the computer, run a registry scanner. Then run the installer. If all goes well, remove the OLD folders when you are done.


If you are still having trouble, Start your Computer in safe mode. Then do the above.

Starting The Computer In Safe Mode;
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