How to Fix 'App Not Verified by Microsoft' on Windows

Encountering the message that an app you’re trying to install isn’t a Microsoft-verified app can be frustrating, especially when you’re confident the source is safe. This warning appears because Windows SmartScreen or User Account Control (UAC) settings are designed to protect your device from potentially harmful software. If you’re certain about the app’s safety and want to bypass this warning, this guide will walk you through the necessary steps to do so safely and effectively. Before beginning, ensure that you trust the source of the app, as bypassing security prompts can expose your device to risks if the app is malicious.

What You’ll Need

A Windows PC with administrative privileges
The app file you want to install (typically an .exe, .msi, or .appx file)
Optional: An internet connection for downloading updates or certificates

Step-by-Step

Locate the App File: Find the installer or application file on your computer, usually in your Downloads folder or the location where you saved it.
Right-Click and Choose Properties: Right-click the app file and select Properties from the context menu.
Unblock the File: In the Properties window, look for a section at the bottom labeled Security. If you see a checkbox labeled Unblock, check it. Then click Apply and OK.
Run the Installer as Administrator: Right-click the app file again and select Run as administrator. This helps bypass some security prompts and ensures the app has necessary permissions.
Bypass Windows SmartScreen (if prompted): When Windows SmartScreen warns you that the app is not verified, click on More info. Then click on Run anyway. Confirm any User Account Control prompts by clicking Yes.
Adjust SmartScreen Settings (if necessary): If you frequently encounter this issue, you can disable SmartScreen temporarily or permanently. To do this, open Windows Security, go to App & Browser Control, and under Check apps and files, select Off. Remember to turn it back on after installing your app for ongoing security.
Install the App: Proceed with the installation process as usual. The app should now install without the verification warning.
Re-enable Security Features (optional but recommended): After installation, if you disabled SmartScreen or modified security settings, re-enable them to keep your system protected.

Common Mistakes

Not verifying the source of the app before bypassing security prompts.
Forgetting to unblock the file in its Properties window.
Running the installer without administrator privileges, which can cause permission issues.
Disabling security features permanently without understanding the risks involved.
Ignoring Windows warnings and proceeding without confirming the safety of the app.

Tips

Always download apps from trusted sources or official websites.
Use antivirus software to scan the app before installation.
If unsure about an app, look for digital signatures or certificates indicating authenticity.
Keep your Windows system and security features up to date to better protect against malicious software.
Create a system restore point before bypassing security features, so you can revert if needed.

Troubleshooting

If the above steps don’t resolve the issue, consider these troubleshooting tips:

Check for Windows Updates: Ensure your Windows OS is up to date, as updates can fix bugs related to security prompts.
Disable SmartScreen Temporarily: Go to Windows Security > App & Browser Control > Reputation-based protection settings, and turn off Check apps and files. Remember to re-enable it after installation.
Use PowerShell to Bypass SmartScreen: Advanced users can run commands in PowerShell to modify SmartScreen settings temporarily. Be cautious and research commands thoroughly before executing.
Check for Digital Signatures: Right-click the app, select Properties, go to the Digital Signatures tab, and verify the signature to confirm authenticity.
Run Compatibility Troubleshooter: Right-click the installer, select Troubleshoot compatibility, and follow the prompts to resolve compatibility issues that might interfere with installation.

If problems persist, consider reaching out to the app’s support or community forums for specific guidance related to that software.

Frequently Asked Questions

1. Is it safe to ignore Windows warnings about unverified apps?

Only if you trust the source of the app. Ignoring warnings from unknown or untrusted sources can expose your device to malware or security vulnerabilities.

2. How can I tell if an app is malicious even if it’s from a trusted source?

Check for digital signatures, verify the publisher, scan the file with antivirus software, and look for reviews or official documentation.

3. Will disabling SmartScreen affect my PC’s security?

Yes, SmartScreen helps protect against malicious downloads. Disable it temporarily for installation, then re-enable it afterward to maintain security.

4. Why does Windows block certain apps even if I trust the source?

Windows uses security features like SmartScreen and UAC to prevent potentially harmful software from running, especially if the app lacks a verified signature.

5. Can I permanently disable verification for all apps?

It’s possible through security settings, but it’s strongly discouraged as it significantly reduces your system’s protection against threats.

6. What should I do if I suspect an app is malicious after installation?

Run a full system scan with your antivirus software, delete the app, and consider seeking professional help if you notice unusual behavior.

How to Fix ‘App Not Verified by Microsoft’ on Windows