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Reinstall & Repair Windows Security on Windows 11 [How to]

Reinstalling Windows Security can be done using the command line

2 min. read

Updated onSeptember 20, 2024

updated onSeptember 20, 2024

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Fix Windows 11 OS errors with Fortect:

Windows 11 has its antivirus, but if it encounters issues, you might need to reinstall Windows Security on Windows 11, and this guide will show you a few ways to do it

How do I reinstall Windows Defender in Windows 11?

How do I reinstall Windows Defender in Windows 11?

1. Use Windows PowerShell

Alternatively, you can use the following command instead:PowerShell -ExecutionPolicy Unrestricted -Command “& {$manifest = (Get-AppxPackage WindowsDefender).InstallLocation + ‘\AppxManifest.xml’ ; Add-AppxPackage -DisableDevelopmentMode -Register -ForceApplicationShutdown $manifest}

Using these commands, you should be able to repair Windows Security in Windows 11.

2. Reset Windows Security via Settings

How do I reset Windows Security in Windows 11?

You can achieve this from the Settings app, by following the guides from Solution 2 of this guide.

You can try these methods ifWindows Security is not opening in Windows 11or ifWindows Defender is missing. However, if the problem persists, your only option might be to reset Windows 11 or use a different antivirus software.

As for other issues, we wrote a guide on what to do ifWindows Defender turns off on Windows 11, so don’t miss it for more information.

What method do you use to reinstall Windows Defender on Windows 11? Let us know in the comments section below.

More about the topics:Microsoft Windows Defender

Madhuparna Roy

A diploma holder in computers and with a keen interest in technology, Madhuparna is passionate about writing How-to guides and helping people solve the most intricate Windows issues.

It all started with the evolution of mobile phones and Google, and that has now settled with Windows.

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