Block Add-ons Manager

Supported on: Firefox 60 or later, Firefox 60 ESR or later

Registry

HKLM Software\Policies\Mozilla\Firefox

HKCU Software\Policies\Mozilla\Firefox

Value name: BlockAboutAddons

Enabled: BlockAboutAddons = 1

Disabled: BlockAboutAddons = 0

Description

If this policy is enabled, the user cannot access the Add-ons Manager or about:addons. If this policy is disabled or not configured, the user can access the Add-ons Manager and about:addons.