Workaround to Manually Uninstall, Remove or Delete Firefox Addon With Add-Ons Uninstall Button Disabled

In Mozilla Firefox web browser, sometimes an extension, toolbar (which is installed as add-on), theme or other add-on cannot be uninstalled or removed through the use of the Firefox Add-ons window. The “Uninstall” button on the Add-ons window appears to be disabled or grayed out. In such cases, try the following workarounds to manually force uninstall, remove or delete the ’stubborn’ add-ons, themes, toolbars, or extensions.

Uninstall Button Grayed Out in Firefox Add-ons Window

Workaround 1: Uninstall using program’s uninstaller or from Windows Add or Remove Programs

Some add-ons or extensions is installed by their respective application programs, and can be, or need to be uninstalled through the respective setup installer/uninstaller. Typically, uninstallation of program can be done through “Add or Remove Programs” or “Uninstall a program” (for Windows Vista) in Control Panel of Windows. Remember to exit from Firefox before start the uninstallation process.

Workaround 2: Uninstall from Firefox Safe Mode

If the extension, toolbar, theme or other addon does not provide any uninstaller, and uninstall button is grayed out, try to uninstall the add-on in Safe Mode.

To access Safe Mode, close all Firefox windows.

In Windows, click Start, open the All Programs list, and navigate to the Mozilla Firefox folder. In the Mozilla Firefox folder, select Mozilla Firefox (Safe Mode). Alternatively, type in Run box or Start Search box (for Windows Vista) the following command:

firefox -safe-mode

In Mac OS X with Firefox 3, hold down the Option key when starting Firefox to run it in Safe Mode.

In Mac OS X with Firefox 2, go to the Utilities directory (in the Applications folder) and open Terminal, then run the following command:

/path/to/firefox/firefox -safe-mode

For example,

/Applications/Firefox.app/Contents/MacOS/firefox -safe-mode

Firefox should start up with a Firefox Safe Mode dialog. With Firefox in safe mode, some extensions and add-ons Uninstall button in Add-ons window, which previously disabled, is now enabled for proper uninstallation.

Workaround 3: Uninstall manually user-specific extensions, toolbars, themes and add-ons

If all methods fail to remove or uninstall an extensions, user can manually uninstall an add-on using steps below, which work for user-centric add-ons:

  1. Open the Firefox profiles folder, which normally located at %AppData%\Mozilla\Firefox\Profiles\xxxxxxxx.default\, where xxxxxx is a random string. User should pick the profile folder (if inside Profiles folder there are multiple sub-folders) that are active, i.e. profile for user account to uninstall the extension.
  2. Open the extensions folder inside the profile folder.
  3. Each folder here inside the “extensions” folder corresponds to an extension. Some folders may have readable name that resembles the plugin, extension or toolbar, and can be easily recognized. Often the names of the folders are obscured. To identify which extension or plug-in the folder is representing, go to each folder and perform the following steps:
    1. Use a text editor (e.g. Notepad or alternative text editor) to open the install.rdf file inside it.
    2. Search for the following text:

      em:name

    3. Locate the folder with install.rdf file with the name after the “em:name” corresponding to the extension intends to remove or delete.
  4. Delete the whole folder for the extension.

Workaround 4: Manually uninstall globally installed extensions

Some most ’stubborn’ extensions that persistently don’t allow user to uninstall via Firefox Add-ons window is installed globally. To remove a globally installed extension follow these steps:

  1. Go to Firefox installation folder, typically C:\Program Files\Mozilla Firefox.
  2. Go to the extensions folder inside the installation folder.
  3. Each folder here inside the “extensions” folder corresponds to an extension. Some folders may have readable name that resembles the plugin, extension or toolbar, and can be easily recognized. Often the names of the folders are obscured. To identify which extension or plug-in the folder is representing, go to each folder and perform the following steps:
    1. Use a text editor (e.g. Notepad or alternative text editor) to open the install.rdf file inside it.
    2. Search for the following text:

      em:name

    3. Locate the folder with install.rdf file with the name after the “em:name” corresponding to the extension intends to remove or delete.
  4. Delete the whole folder for the extension.

7 Responses to “Workaround to Manually Uninstall, Remove or Delete Firefox Addon With Add-Ons Uninstall Button Disabled”

  1. Theodore
    August 26th, 2009 12:56
    7

    Awesome info. Thanks.

  2. Ludwik
    July 25th, 2009 19:03
    6

    Thanks,
    Helped me a lot

  3. GooglePhotoFix
    April 10th, 2009 01:43
    5

    The problems is that the ext is at:
    C:\Program Files\Google\Google Photos Screensaver\

    and not in FireFox’s ext folder.

    Just remove the folder “FF_ext” and it is gone.

  4. godlev
    March 24th, 2009 12:28
    4

    hi… great tutorial… 10x…

    i’ve tried to remove Google Photos Screensaver, but cant find in install.rdf files…

    i see it in my add-ons and cant do nothing, all buttons are disabled….

    pls if u know how to fix this send me email…

  5. DWiner
    October 16th, 2008 07:40
    3

    Real cool explanation…cheers!

  6. Add-on di Firefox « M Jauharul Fuady
    June 25th, 2008 18:37
    2

    [...] itu ga compatible ma FF3. Selidik punya selidik. Setelah tanya Google, nemu informasi bermanfaat di sini. Tapi setelah ditelusuri satu-satu, ternyata kok emang dah ga ada folder berbau AVG. Pupus lah [...]

  7. Eternalmoonlight.net » Life tips #11
    June 5th, 2008 10:06
    1

    [...] to Manually Uninstall, Remove or Delete Firefox Addon With Add-Ons Uninstall Button [...]

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