Remove Firefox completely, and then reinstall it.

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  1. Ghot's Avatar
    Posts : 9,376
    Win 10 Home 10.0.19043.928 (x64) [21H1]
       #1

    Remove Firefox completely, and then reinstall it.


    It's been five months, and FF is getting pretty raggedy. It's not just a quick project, either.

    I use a useChrome.css file, a lot of about:config tweaks, and then a lot of settings, under Options. That's above and beyond all the "customize" things.

    It's not easy to get FF to look like this... v80.0.1



    Remove Firefox completely, and then reinstall it.-image1.png





    But this is a project for later this afternoon. All the things I've been doing with Win 10, has left FF pretty beat up.
      My Computer

  2. Fabler2's Avatar
    Posts : 2,983
    Windows 10 preview 64-bit Home
       #2

    I find that Geek Uninstaller makes a good job of removing everything. Worth a look Geek Uninstaller - the best FREE uninstaller
      My Computers

  3. idgat's Avatar
    Posts : 915
    Windows 10 Pro
       #3

    Go with Geek Uninstaller as mentioned above, but then forget about the re-installing bit. FFox has lost it's mojo.

    Try one of the others
    - Brave
    - Opera
    - Vivaldi
    - MyIE
    - SRWare Iron
    - the list goes on.
      My Computer

  4. Callender's Avatar
    Posts : 4,104
    N/A
       #4

    Here's mine:

    Remove Firefox completely, and then reinstall it.-windows-10-help-forums.jpg

    I had a few problems after the latest update to 80.0.1 solved by making a few settings changes and disabling some addons. There was slow page loading, even slower when opening a new tab plus the browser or tabs crashing at times.

    All is okay now without reinstalling.

    Suggest:

    Launch in Firefox safe mode and see if it works okay. (Firefox safe mode - not windows safe mode)

    Start Firefox Task Manager (not windows task manager) and look for high memory usage by any addon.

    Use Firefox profile manager to create a new profile and test the new profile.

    Check addons using this:

    Code:
    https://files.avast.com/files/tools/avast-browser-cleanup.exe
      My Computer

  5. trevo's Avatar
    Posts : 94
    windows 10 Pro
       #5

    Ghot said:
    It's been five months, and FF is getting pretty raggedy. It's not just a quick project, either.

    I use a useChrome.css file, a lot of about:config tweaks, and then a lot of settings, under Options. That's above and beyond all the "customize" things.

    It's not easy to get FF to look like this... v80.0.1



    Remove Firefox completely, and then reinstall it.-image1.png





    But this is a project for later this afternoon. All the things I've been doing with Win 10, has left FF pretty beat up.
    Your screenshot made me aware that zoom controls could be added to the Toolbar, very useful, thanks.
      My Computer

  6. Callender's Avatar
    Posts : 4,104
    N/A
       #6

    Anyway for complete removal use Geek Uninstaller or Hibit Uninstaller.

    Allow scan for leftovers and remove them.
    Then manually check here for leftovers and delete if found:
    C:\Program Files\Mozilla Firefox
    C:\Program Files (x86)\Mozilla Firefox
    Press the [Windows key+R] to open a Run dialog, type in %APPDATA%\Mozilla\ and click OK to open the Mozilla folder, then delete the Firefox folder if found.
    Reboot.
      My Computer

  7. Ghot's Avatar
    Posts : 9,376
    Win 10 Home 10.0.19043.928 (x64) [21H1]
    Thread Starter
       #7

    Callender said:
    Here's mine:

    Remove Firefox completely, and then reinstall it.-windows-10-help-forums.jpg

    I had a few problems after the latest update to 80.0.1 solved by making a few settings changes and disabling some addons. There was slow page loading, even slower when opening a new tab plus the browser or tabs crashing at times.

    All is okay now without reinstalling.

    Suggest:

    Launch in Firefox safe mode and see if it works okay. (Firefox safe mode - not windows safe mode)

    Start Firefox Task Manager (not windows task manager) and look for high memory usage by any addon.

    Use Firefox profile manager to create a new profile and test the new profile.

    Check addons using this:

    Code:
    https://files.avast.com/files/tools/avast-browser-cleanup.exe
    idgat said:
    Go with Geek Uninstaller as mentioned above, but then forget about the re-installing bit. FFox has lost it's mojo.

    Try one of the others
    - Brave
    - Opera
    - Vivaldi
    - MyIE
    - SRWare Iron
    - the list goes on.
    Fabler2 said:
    I find that Geek Uninstaller makes a good job of removing everything. Worth a look Geek Uninstaller - the best FREE uninstaller
    Callender said:
    Anyway for complete removal use Geek Uninstaller or Hibit Uninstaller.

    Allow scan for leftovers and remove them.
    Then manually check here for leftovers and delete if found:
    C:\Program Files\Mozilla Firefox
    C:\Program Files (x86)\Mozilla Firefox
    Press the [Windows key+R] to open a Run dialog, type in %APPDATA%\Mozilla\ and click OK to open the Mozilla folder, then delete the Firefox folder if found.
    Reboot.




    Oops, my bad. I know HOW to do it... I've been using Firefox since v 3.x

    I should have made a more descriptive title. The main reason I posted this was so @Edwin would have time to make popcorn, before I started this project.

    I do this all the time. About every 6-12 months I reinstall FF from scratch. Like Win 10, it has too many moving parts... so it needs "shaking out" every now and then.

    I apologize for the wimpy title... it should have said something like...

    Next Project... take FF out and beat it like a carpet.
      My Computer

  8. Edwin's Avatar
    Posts : 17,205
    Windows 10
       #8

    To completely remove all traces of your current Firefox installation from your system, follow these steps:


    1. Backup components of your existing Firefox profile. The Firefox profile contains all of your settings and customizations. I recommend backing up and restoring only your Bookmarks and Passwords, not your entire profile, as that will defeat the entire purpose of doing a fresh installation of Firefox.


    2. Go to Windows Control Panel>Programs & Features, find the 'Mozilla Firefox' entry, select it and uninstall it. During uninstallation tick the 'Remove my Firefox personal data and customizations' box. Make sure you've performed step 1 first if you want to backup any of your Firefox customizations.


    3. Open Windows Explorer, go to your \Program Files (x86)\Mozilla Firefox directory, or \Program Files\Mozilla Firefox\ for Firefox 64-bit, and delete it and all of its contents if it still exists.


    4. To make sure all existing Firefox profile data is removed, delete the following directories if they still exist:

    \Users\[username]\AppData\Local\Mozilla

    \Users\[username]\AppData\Roaming\Mozilla

    This will ensure that all remaining custom data relating to your profile, any cached files, any files relating to installed add-ons for Firefox, will all be removed from your system.


    5. Find and remove all of the major Firefox/Mozilla-related entries in the Windows Registry. Using the Windows Registry Editor (Start>Run>Regedit), delete any of the following keys if they exist. That is, right click on their name in the left pane of Registry Editor and select Delete:


    [HKEY_CLASSES_ROOT\FirefoxHTML]

    [HKEY_CLASSES_ROOT\FirefoxURL\]

    [HKEY_CURRENT_USER\Software\Mozilla]

    [HKEY_CURRENT_USER\Software\MozillaPlugins]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla]

    [HKEY_LOCAL_MACHINE\SOFTWARE\mozilla.org]

    [HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Mozilla]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\mozilla.org]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\MozillaPlugins]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FirefoxHTML]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FirefoxURL]

    Note: For Steps 4 and 5 above, if you also have any other Mozilla products installed, such as Mozilla Thunderbird, then make sure to only delete entries/folders which specifically relate directly to Firefox by name.
      My Computer

  9. Ghot's Avatar
    Posts : 9,376
    Win 10 Home 10.0.19043.928 (x64) [21H1]
    Thread Starter
       #9

    Edwin said:
    To completely remove all traces of your current Firefox installation from your system, follow these steps:


    1. Backup components of your existing Firefox profile. The Firefox profile contains all of your settings and customizations. I recommend backing up and restoring only your Bookmarks and Passwords, not your entire profile, as that will defeat the entire purpose of doing a fresh installation of Firefox.


    2. Go to Windows Control Panel>Programs & Features, find the 'Mozilla Firefox' entry, select it and uninstall it. During uninstallation tick the 'Remove my Firefox personal data and customizations' box. Make sure you've performed step 1 first if you want to backup any of your Firefox customizations.


    3. Open Windows Explorer, go to your \Program Files (x86)\Mozilla Firefox directory, or \Program Files\Mozilla Firefox\ for Firefox 64-bit, and delete it and all of its contents if it still exists.


    4. To make sure all existing Firefox profile data is removed, delete the following directories if they still exist:

    \Users\[username]\AppData\Local\Mozilla

    \Users\[username]\AppData\Roaming\Mozilla

    This will ensure that all remaining custom data relating to your profile, any cached files, any files relating to installed add-ons for Firefox, will all be removed from your system.


    5. Find and remove all of the major Firefox/Mozilla-related entries in the Windows Registry. Using the Windows Registry Editor (Start>Run>Regedit), delete any of the following keys if they exist. That is, right click on their name in the left pane of Registry Editor and select Delete:


    [HKEY_CLASSES_ROOT\FirefoxHTML]

    [HKEY_CLASSES_ROOT\FirefoxURL\]

    [HKEY_CURRENT_USER\Software\Mozilla]

    [HKEY_CURRENT_USER\Software\MozillaPlugins]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla]

    [HKEY_LOCAL_MACHINE\SOFTWARE\mozilla.org]

    [HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Mozilla]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\mozilla.org]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\MozillaPlugins]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FirefoxHTML]

    [HKEY_LOCAL_MACHINE\SOFTWARE\Classes\FirefoxURL]

    Note: For Steps 4 and 5 above, if you also have any other Mozilla products installed, such as Mozilla Thunderbird, then make sure to only delete entries/folders which specifically relate directly to Firefox by name.



    Like I said above... I know HOW to remove FF. I've done it hundreds of times.
    This wasn't really a question topic. It was more of a... "well, this is my NEXT project", topic.
      My Computer

  10. Ghot's Avatar
    Posts : 9,376
    Win 10 Home 10.0.19043.928 (x64) [21H1]
    Thread Starter
       #10

    And it's all done. Fresh, new, clean, virginal Firefox Browser.


    I'm getting faster...this time it only took me 20 minutes. And that's with the uninstall, the cleanup and all my tweaks, customizations, the userChrome.css files, etc.

    And it still looks exactly like the pic in the original post.
      My Computer


 
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