Alternatively, you can adjust the "Inclusion list for moderate risk file types" to allow your system to prompt you rather than blocking automatically. Safety Reminders

Sometimes, the gatekeeper is extra stubborn, especially if the kingdom's laws are set by a higher "Administrator" power. For these tougher blocks, Leo had to visit the .

For managed systems, a domain admin may block publishers via Software Restriction Policies or AppLocker.

To fully trust a publisher’s domain:

how to unblock publisher