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How To Install Microsoft Defender SmartScreen Prevented An Unrecognized App From Starting

admin, 21/03/2024

How to Install Microsoft Defender SmartScreen Prevented an Unrecognized App from Starting

Introduction

Microsoft Defender SmartScreen is a security feature that helps protect your computer from malicious software and other threats. It does this by checking the reputation of apps and files before they are allowed to run on your computer. If SmartScreen detects an app or file that is not recognized, it will block it from running and display a warning message.

In this blog post, we will show you how to install an app that has been blocked by Microsoft Defender SmartScreen. We will also provide some tips on how to avoid getting blocked by SmartScreen in the future.

How to Install Microsoft Defender SmartScreen Prevented an Unrecognized App from Starting

1. Check the Reputation of the App

Before you install an app that has been blocked by SmartScreen, it is important to check its reputation. You can do this by searching for the app online or by reading reviews from other users. If you find any negative reviews or warnings about the app, you should not install it.

2. Disable SmartScreen Temporarily

If you are sure that the app is safe, you can disable SmartScreen temporarily to install it. To do this, follow these steps:

  • Open the Start menu and type "Windows Security."
  • Click on "Windows Security" in the search results.
  • Click on "App & browser control."
  • Under "Reputation-based protection," click on "Turn off."

3. Install the App

Once SmartScreen is disabled, you can install the app. To do this, follow these steps:

  • Double-click on the app’s installer file.
  • Click on "Yes" when prompted by the User Account Control dialog box.
  • Follow the on-screen instructions to complete the installation.

4. Re-enable SmartScreen

Once the app is installed, you should re-enable SmartScreen to protect your computer from malicious software and other threats. To do this, follow these steps:

  • Open the Start menu and type "Windows Security."
  • Click on "Windows Security" in the search results.
  • Click on "App & browser control."
  • Under "Reputation-based protection," click on "Turn on."

5. Add the App to the SmartScreen Allowlist

If you want to avoid getting blocked by SmartScreen in the future, you can add the app to the SmartScreen allowlist. To do this, follow these steps:

  • Open the Start menu and type "Windows Security."
  • Click on "Windows Security" in the search results.
  • Click on "App & browser control."
  • Under "Reputation-based protection," click on "Allow an app through Controlled folder access."
  • Click on "Add an allowed app."
  • Browse to the app’s executable file and click on "Open."
  • Click on "Add."

Conclusion

By following these steps, you can install an app that has been blocked by Microsoft Defender SmartScreen. You can also disable SmartScreen temporarily, add the app to the SmartScreen allowlist, and check the reputation of the app before installing it to avoid getting blocked in the future.

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