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i am having trouble completely uninstalling firefox to troubleshoot an issue

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my issue is when i watch youtube videos the videos just jump around i cant access certain sites it just keeps loading until it says timed out i am running firefox 40.0.3 and i have noticed i cant access the site youtube any more after i tried to remove mozilla from regedit in hopes of completely uninstalling it so i can reinstall it

my issue is when i watch youtube videos the videos just jump around i cant access certain sites it just keeps loading until it says timed out i am running firefox 40.0.3 and i have noticed i cant access the site youtube any more after i tried to remove mozilla from regedit in hopes of completely uninstalling it so i can reinstall it

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Download Firefox Full Version 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.

• Linux: If you installed Firefox with the distro-based package manager, you should use the same way to uninstall it - see Install Firefox on Linux. If you downloaded and installed the binary package from the Firefox download page, simply remove the folder Firefox in your home directory.


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.