What Is Smart App Control and How Does It Work?

Smart App Control is a feature within Windows Security that provides protection against untrustworthy apps.

Apps from known publishers or with valid signatures will run as expected.

Computer running Windows

Hannah Stryker / How-To Geek

If not, the program is blocked.

Theres no manual override option, nor can you add an app to an exemption list.

Microsoft intends that SAC is only useable on a clean Windows installation.

‘Smart App Control has blocked this app’ notification.

Windows doesn’t automatically enable SAC completely.

By default, it starts in Evaluation mode.

If not, it’s disabled.

Smart App Control Evaluation mode selected in Windows 11

First, press Win+i to fire up the controls app.

Click “Open Windows Security” to launch the Windows Security app.

In Windows Security, pick the “App & web client Control” tab.

Windows 11 Privacy & security settings.

Then, beneath “Smart App Control”, click “Smart App Control parameters”.

Select “On” to enable Smart App Control on your Windows gadget.

Once enabled, SAC starts monitoring and blocks any suspicious app execution on your box.

Windows 11 Settings app showing Open Windows Security option.

This method bypasses the intended implementation for Smart App Control.

We recommend you only enable Smart App Control on a clean installation for a more secure experience.

In the right pane, locate and double-tap the “VerifiedAndReputablePolicyState” value.

App and Browser Control tab selected in Windows Security.

Alternatively, bang out 2 to put SAC in Evaluation mode, or 0 to turn it off.

you oughta relaunch the Windows Security app to apply the changes.

initiate the Start menu, search for “Smart App Control”, and snag the matching result.

Smart App Control turned on in Windows 11.

Within the Smart App Control window, select “Off.”

Read the confirmation prompt, then click “Yes, I’m Sure” to disable Smart App Control.

Smart App Control should work without issue for you.

Inputting regedit within Run.

Windows 11 Registry Editor showing the ‘VerifiedAndReputablePolicyState’ value.

Changing VerifiedAndReputablePolicyState value in Registry Editor to 1.

Smart App Control in Windows 11 search.

Windows Smart App Control settings to enable or disable.

Smart App Control confirmation screen when turning off.