1
Open the Settings App.
Go to Privacy and Security - Windows Security - App and Browser Control.
Open 'Smart App Control Settings' and you can disable that form in there.
2
However, before you do that, disabling Smart App Control will lower the security on your PC and it is not advised to disable that security setting.
If you are seeing Smart App Control popups, is it indicating an app on your PC may be a security risk, and if so, what app is indicated in the popups.