How to fix "This app has been blocked for your protection" ?

1. Open cmd in administrator.
2. Run command 1.
3. Sign out and sign in administrator account.
4. Find that app installer and install it.
5. Sign out and sign in back to the user account.
6. Open cmd in administrator.
7. Run command 2.

Command 1

net user administrator /active:yes

Command 2

net user administrator /active:no