Disable System Addon Updates

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

Registry

HKLM Software\Policies\Mozilla\Firefox

HKCU Software\Policies\Mozilla\Firefox

Value name: DisableSystemAddonUpdate

Enabled: DisableSystemAddonUpdate = 1

Disabled: DisableSystemAddonUpdate = 0

Description

If this policy is enabled, new system add-ons will not be installed and existing system add-ons will not be updated. If this policy is disabled or not configured, system add-ons are installed and updated.