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How to Enable or Disable SmartScreen for Microsoft Store Apps on Windows 11

Richard
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Richard
Apr 11, 2022 Updated Apr 29, 2026 3 min read
How to Enable or Disable SmartScreen for Microsoft Store Apps on Windows 11
How to Enable or Disable SmartScreen for Microsoft Store Apps on Windows 11

You can enable or disable Microsoft Defender SmartScreen for Microsoft Store apps directly within Windows 11 settings.

SmartScreen is a vital security feature that scans apps and files downloaded from the Microsoft Store, acting as a protective filter against known threats and malicious content.

This protection verifies app safety before you run them, helping to prevent potential malware infections by comparing downloaded applications against a comprehensive database of security risks.

On Windows 11, you can easily toggle this feature on or off to manage how strictly your system checks Store apps for safety.

⚡ Quick Answer

Open Windows Security, navigate to App & browser control, then Reputation-based protection settings. Locate SmartScreen for Microsoft Store apps and toggle the switch to On or Off.

How SmartScreen Works

SmartScreen uses threat intelligence (information about potential dangers) to analyze software. It looks at a file’s history, the developer’s reputation, and how many people have downloaded it. If a file seems rare or suspicious, it will trigger a warning. This is different from Microsoft Defender Antivirus, which scans for known virus patterns. SmartScreen, however, focuses on the source’s reputation and the file’s behavior.

Managing SmartScreen for Microsoft Store Apps

Note: You must have administrator privileges to change these security settings.

  1. In the search box on your taskbar, type Windows Security and click on Windows Security.
open windows security app
open windows security app
  1. Click on the App & browser control tile.
App and browser control settings in Windows 11 security dashboard
windows 11 app and browser control microsoft defender
  1. On the next page, look for Reputation-based protection and click the Reputation-based protection settings link.
Reputation-based protection settings menu in Windows 11 security
windows 11 microsoft defender reputation base protection
  1. Find the section labeled SmartScreen for Microsoft Store apps. Toggle the switch to On or Off based on your preference.
Toggle switch for SmartScreen for Microsoft Store apps in Windows 11
windows 11 smartscreen for microsoft store apps

Enterprise Management via Group Policy

For businesses: Managing SmartScreen on multiple computers. If you’re an IT administrator managing many computers, you can control SmartScreen using the Group Policy Editor. This ensures consistent security across an organization.

🗝️Registry
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows\System

You can set the EnableSmartScreen value to 1 to enable or 0 to disable it.

Troubleshooting and False Positives

Sometimes, safe apps get flagged as dangerous. This is called a false positive. If you know an app is safe, you can report it to Microsoft. Visit the official Microsoft Security Intelligence submission page to upload the file for analysis. This helps improve the accuracy of the threat intelligence database.

Summary

Microsoft Defender SmartScreen plays a key role in Windows security. It filters apps and websites based on their reputation to protect you from malicious threats. Keeping it enabled means your system stays protected with the latest threat information. Always be cautious when ignoring security warnings, and report any false positives to Microsoft. This helps keep everyone safer. For more details, visit the official Microsoft documentation.

What does it mean when I see the ‘site reported as unsafe’ warning?

This warning means Microsoft Defender SmartScreen has identified the website as a potential source of phishing or malware. It is highly recommended that you do not proceed to the site, as it may attempt to steal your personal information or install harmful software on your computer.

Does SmartScreen affect system performance?

SmartScreen has a minimal impact on system performance. It performs checks in the background using cloud-based threat intelligence. Most users will not notice any slowdowns while browsing or downloading apps, as the security benefits far outweigh the negligible resource usage required for these safety checks.

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Tags: #Windows 11
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Richard

About the Author

Richard

Tech Writer, IT Professional

Richard, a writer for Geek Rewind, is a tech enthusiast who loves breaking down complex IT topics into simple, easy-to-understand ideas. With years of hands-on experience in system administration and enterprise IT operations, he’s developed a knack for offering practical tips and solutions. Richard aims to make technology more accessible and actionable. He's deeply committed to the Geek Rewind community, always ready to answer questions and engage in discussions.

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