Name: 1 (or some higher number if 1 is already used).Add a new key under the Extensions key (if it doesn’t already exist):.Add a new key under the Firefox key (if it doesn’t already exist):.
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Mozilla\Firefox.Navigate to the following registry key:.On Windows, the policy can be set via the Registry Editor:
(You should create a backup of your LeechBlock settings before you attempt this solution: Options > General > Export.) However, it is possible to “lock” an extension by setting a Firefox policy so that the extension cannot be removed or disabled. In such cases, experienced users can uninstall the extension by removing the associated Registry entry and/or the contents of the folder containing the extension otherwise, simply disable it.In general, a Firefox extension cannot prevent the user from uninstalling it, so LeechBlock cannot offer this as an option within the extension itself. Although you can disable the extension in the Add-ons manager, the Uninstall option may not be functional (it will be "greyed out). NET Framework Assistant the RealPlayer Browser Record Plugin extension, and the Lenovo ThinkVantage Password Manager extension for Firefox. To manually uninstall a global extension, open the "extensions" directory in your Mozilla application's installation directory and remove the directory that corresponds to the extension you want to uninstall.Įxtensions that are installed this way include the Java Quick Starter extension for Firefox (see above), the Microsoft. It is also possible that another software installation may have included a global extension (for example, the Java JRE installer adds a global extension to Firefox, for the Java Console). Installing a global extension is something an administrator might do so that the add-on can be used by any user on the machine. In a few cases, an extension may be installed globally into the Mozilla installation directory. This mozillazine article has information:
You need a supplemental program to do the work.
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