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

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

Microsoft Defender SmartScreen is a security feature in Windows that helps protect your computer from malicious software and potentially unwanted applications. It does this by checking the reputation of files and applications before they are allowed to run. If SmartScreen detects an unrecognized app, it will prevent it from starting and display a warning message.

In some cases, you may need to install an unrecognized app that SmartScreen has blocked. This could be a legitimate app that is not yet well-known, or it could be an app that you have downloaded from a trusted source.

If you are sure that the app is safe, you can follow these steps to install it:

1. How to Install Microsoft Defender SmartScreen Prevented an Unrecognized App from Starting: Disable SmartScreen

The first step is to disable SmartScreen. You can do this by following these steps:

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

Note: You should only disable SmartScreen if you are sure that the app you want to install is safe.

2. How to Install Microsoft Defender SmartScreen Prevented an Unrecognized App from Starting: Install the App

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

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

3. How to Install Microsoft Defender SmartScreen Prevented an Unrecognized App from Starting: Re-enable SmartScreen

Once the app is installed, you should re-enable SmartScreen. To do this, follow the steps in the previous section, but this time, click on Turn on under Reputation-based protection.

4. How to Install Microsoft Defender SmartScreen Prevented an Unrecognized App from Starting: Add the App to the Exclusion List

If you want to prevent SmartScreen from blocking the app in the future, you can add it to the exclusion list. To do this, follow these steps:

1. Open the Start menu and type Windows Security.
2. Click on Windows Security in the search results.
3. Click on App & browser control.
4. Under Reputation-based protection, click on Add an exclusion.
5. Click on Browse and select the app’s executable file.
6. Click on Add.

5. How to Install Microsoft Defender SmartScreen Prevented an Unrecognized App from Starting: Troubleshooting

If you are having trouble installing an unrecognized app, you can try the following troubleshooting steps:

• Make sure that you have downloaded the app from a trusted source.
• Try disabling your antivirus software.
• Try running the app in compatibility mode.
• Contact the app’s developer for support.

Conclusion

Installing an unrecognized app that has been blocked by Microsoft Defender SmartScreen can be a bit tricky, but it is possible. By following the steps in this article, you can safely install the app and continue using your computer without worry.