What is the standard value of EnableSmartScreen?

Frozen Tweaks writes 1 when you switch the tweak off, which is the value it treats as the Windows standard. With the tweak on, EnableSmartScreen is 0.

Is "Disable SmartScreen (App/URL)" safe to switch on?

We do not recommend it for most people. The time saved is small and the protection lost is real. The main cost: You lose a real layer of protection against new malware and phishing pages. This is one of the checks that stops a fake installer.

Is "Disable SmartScreen (App/URL)" free in Frozen Tweaks?

It is part of Frozen Pro and Elite. You can also make the change by hand with the values on this page.

Disable SmartScreen: EnableSmartScreen, EnabledV9 and what you give up

Frost LIVESecurityProUndo: PartialUpdated Oct 8, 2026View as Markdown

Short answer

Updated Oct 8, 2026

SmartScreen checks downloaded programs and websites against Microsoft's reputation service before they open. This tweak turns the check off for apps and files in Windows and for Edge. In the registry it sets EnableSmartScreen to 0 under HKLM\SOFTWARE\Policies\Microsoft\Windows\System, and 1 more value.

In the app

Disable SmartScreen (App/URL)PRO

Registry

HKLMSOFTWARE\Policies\Microsoft\Windows\System

EnableSmartScreen10

What the switch writes. Your current value may differ. 1 more change below.

What it does

SmartScreen checks downloaded programs and websites against Microsoft's reputation service before they open. This tweak turns the check off for apps and files in Windows and for Edge.

In the app the switch is called "Disable SmartScreen (App/URL)", described there as: Disables SmartScreen checks to prevent launch-time stalls.

When it helps, and when it hurts

When it helps

Removing the short delay when an unknown program starts, and the 'Windows protected your PC' prompt.

When it hurts

You lose a real layer of protection against new malware and phishing pages. This is one of the checks that stops a fake installer.
Switching the tweak off sets standard values, which may not be exactly what you had.

What it writes

Exactly what the switch changes, read from the app's source. Switching it off is what the app writes when you turn the tweak off again.

Registry values the switch writes.
Key and value	With the tweak	Switching it off
HKLMSOFTWARE\Policies\Microsoft\Windows\SystemEnableSmartScreen	0	1
HKLMSOFTWARE\Policies\Microsoft\MicrosoftEdge\PhishingFilterEnabledV9	0	1

From the app's source (smartscreenoff.hpp), app 2.0.0, checked Oct 8, 2026.

The same change by hand

You do not need the app for this one. These commands make the changes from the table above. Run them in a Command Prompt opened as administrator, and make a restore point first.

Make the change · CMD

reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v "EnableSmartScreen" /t REG_DWORD /d 0 /f
reg add "HKLM\SOFTWARE\Policies\Microsoft\MicrosoftEdge\PhishingFilter" /v "EnabledV9" /t REG_DWORD /d 0 /f

Put it back · CMD

reg add "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v "EnableSmartScreen" /t REG_DWORD /d 1 /f
reg add "HKLM\SOFTWARE\Policies\Microsoft\MicrosoftEdge\PhishingFilter" /v "EnabledV9" /t REG_DWORD /d 1 /f

See what it is set to now · CMD

reg query "HKLM\SOFTWARE\Policies\Microsoft\Windows\System" /v "EnableSmartScreen"

How to undo it

In the app: Partial

Switching it off turns SmartScreen back on through a policy, so Windows may show the setting as managed.

Switch the tweak off in Frozen Tweaks. It writes EnableSmartScreen back to 1, EnabledV9 back to 1. Switching it off turns SmartScreen back on through a policy, so Windows may show the setting as managed.

Changing several settings at once? The app's Make a restore point button, on every plan, makes a Windows restore point before you start.

Verdict

We do not recommend it for most people. The time saved is small and the protection lost is real.

Questions

What does the "Disable SmartScreen (App/URL)" tweak change in Windows?: In the registry it sets EnableSmartScreen to 0 under HKLM\SOFTWARE\Policies\Microsoft\Windows\System, and 1 more value. The full list is in the table on this page, read from the app's source.
What is the standard value of EnableSmartScreen?: Frozen Tweaks writes 1 when you switch the tweak off, which is the value it treats as the Windows standard. With the tweak on, EnableSmartScreen is 0.
Is "Disable SmartScreen (App/URL)" safe to switch on?: We do not recommend it for most people. The time saved is small and the protection lost is real. The main cost: You lose a real layer of protection against new malware and phishing pages. This is one of the checks that stops a fake installer.
How do I undo it?: Switch the tweak off in Frozen Tweaks. Switching it off turns SmartScreen back on through a policy, so Windows may show the setting as managed.
Is "Disable SmartScreen (App/URL)" free in Frozen Tweaks?: It is part of Frozen Pro and Elite. You can also make the change by hand with the values on this page.

In the app