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Firefox updates are not working beyond 61.0.2, on Windows 7 Pro 32-bit PC

  • 5 replies
  • 1 has this problem
  • Last reply by stropman

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There have been several updates since 61.0.2, but every time i attempt an update, i am unable to open Firefox, and i have to revert to the older version. I have Task Manager running, when attempting to open the updated version, and it briefly appears in the TM list, then disappears again. I am also unable to open in Safe Mode. Driving me nuts! Does anyone have any ideas? Thanks

All Replies (5)

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Certain Firefox problems can be solved by performing a Clean reinstall. This means you remove your Firefox program files and then reinstall Firefox. This process does not remove your Firefox profile data (such as bookmarks and passwords), since that information is stored in a different location.

To do a clean reinstall of Firefox, please follow these steps: Note: You might want to print these steps or view them in another browser.

  1. Download the latest Desktop version of Firefox from (or choose the download for your operating system and language from this page) and save the setup file to your computer.
  2. After the download finishes, close all Firefox windows (or open the Firefox menu New Fx Menu and click the close button Close 29 ).
  3. Delete the Firefox installation folder, which is located in one of these locations, by default:
    • Windows: (Note: Check both folders.)
      • C:\Program Files\Mozilla Firefox
      • C:\Program Files (x86)\Mozilla Firefox
    • Mac: Delete Firefox from the Applications folder.
    • 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.
  4. Now, go ahead and reinstall Firefox:
    1. Double-click the downloaded installation file and go through the steps of the installation wizard.
    2. Once the wizard is finished, choose to directly open Firefox after clicking the Finish button.

More information about reinstalling Firefox can be found here.

WARNING: Do not use a third party uninstaller as part of this process. Doing so could permanently delete your Firefox profile data, including but not limited to, extensions, cache, cookies, bookmarks, personal settings and saved passwords. These cannot be easily recovered unless they have been backed up to an external device! See Back up and restore information in Firefox profiles.

Please report back to say if this helped you!

Thank you.

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Hi, Tyler. Thanks for the speedy response. I'm pretty sure i tried this last year, when i first encountered the problem, but didn't have instructions as thorough as yours! I'll give it a go again, but not right now...too busy with work!  :( Thanks again...will report back.

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Hi, again. Tried it (twice)....same problem!  :( I'm back on 61.0.2.....

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Get the latest full installer. Start your Computer in safe mode with network support. Then start the installer. Starting Any Computer In Safe Mode; Free Online Encyclopedia

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Thanks, Fred. I'm remote connecting to the PC in question, so i'll need to find out exactly what's involved in restarting in safe mode. Not a job for a Friday afternoon!  ;) Will let you know how i get on. Thanks, again. Have a great weekend.