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Update keep on reverting to earlier version

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  • 1 has this problem
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  • Last reply by FredMcD

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I updated to version 99.0.1 but it keeps on going back to 98.0.2. Things I had tried:

  • Uninstall and reinstall Firefox
  • Refresh in about:support
  • Use a new profile

I think it is happening daily around the same time. Suddenly my pages in Firefox will stop loading. Then I need to close and reopen it. And then it will prompt me to start with a new profile because I am using an older version. On check, my Firefox had been reverted to version 98.0.2. Then I have to update and then only I can change back the profile.

I updated to version 99.0.1 but it keeps on going back to 98.0.2. Things I had tried: * Uninstall and reinstall Firefox * Refresh in about:support * Use a new profile I think it is happening daily around the same time. Suddenly my pages in Firefox will stop loading. Then I need to close and reopen it. And then it will prompt me to start with a new profile because I am using an older version. On check, my Firefox had been reverted to version 98.0.2. Then I have to update and then only I can change back the profile.

All Replies (1)

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Keep track of when this happens. What programs were running at that time?


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 program folder, the user profiles would not be affected.


Download Firefox For All languages And Systems {web link}

Firefox ESR; Extended Support Release {web link}

Beta, Developer, Nightly versions https://www.mozilla.org/en-US/firefox/channel/desktop/

Install Older Version Of Firefox {web link} Be sure to read everything here.


Download and save the program you want. 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