Block about:profiles
Supported on: Firefox 60 or later, Firefox 60 ESR or later
Registry
HKLM
Software\Policies\Mozilla\Firefox HKCU
Software\Policies\Mozilla\Firefox Value name: BlockAboutProfiles
Enabled: BlockAboutProfiles = 1
Disabled: BlockAboutProfiles = 0
Description
If this policy is enabled, the user cannot access about:profiles. If this policy is disabled or not configured, the user can access about:profiles.