How to reset Windows Security apps in Windows 10

Windows 10 includes Windows Security, which provides the latest anti-virus protection. Your device will be actively protected from the moment Windows 10 starts up. Windows Security continuously scans for malware, viruses, and security threats.

In addition to this real-time protection, updates are downloaded automatically, helping to keep your device safe and protect them from threats.

If Windows Security crashes or fails to open, you can reset and / or reregister the Windows Security application to fix the problem.

This guide will show you how to reset and re-register Windows Security app in Windows 10.

Reset the Windows Security app from the Start menu

Step 1. Open the Start menu .

Step 2. Right-click or press and hold Windows Security on the Start list, click More and select App settings.

How to reset Windows Security apps in Windows 10 Picture 1

Step 3. Click the Reset button in Settings.

How to reset Windows Security apps in Windows 10 Picture 2

Step 4. Click Reset to confirm.

Step 5. Now you can close Settings if you want.

Reset the Windows Security app in PowerShell

Note : This option is only available starting with Windows 10 build 20175.

Step 1. Open Windows PowerShell.

Step 2. Copy and paste the below command into PowerShell and press Enter.

Get-AppxPackage *Microsoft.Windows.SecHealthUI* | Reset-AppxPackage

Step 3. When done, you can close PowerShell if you want.

How to reset Windows Security apps in Windows 10 Picture 3

Install and re-register the Windows Security application in the Command Prompt

Step 1. Open Command Prompt.

Step 2. Copy and paste the following command into the Command Prompt and press Enter.

Code:

PowerShell -ExecutionPolicy Unrestricted -Command "& {$manifest = (Get-AppxPackage *Microsoft.Windows.SecHealthUI*).InstallLocation + 'AppxManifest.xml' ; Add-AppxPackage -DisableDevelopmentMode -Register $manifest}"

Step 3. When done, you can close the Command Prompt if you want.

Marvin Fry

Update 06 October 2020