How to Install or Uninstall Microsoft Defender Application Guard for Edge browser in Windows 11

phishing gdbdac131d 1280
phishing gdbdac131d 1280

This article describes the steps to install or uninstall the Microsoft Defender Application Guard for the Microsoft Edge browser in Windows 11.

Microsoft Defender Application Guard works with Microsoft Edge, Microsoft Office app, and browser to help isolate untrusted sites and prevents untrusted Word, PowerPoint, and Excel files from accessing trusted resources.

When you install Microsoft Defender Guard for Edge browser, every time you run Edge with Defender Application Guard (CTRL + SHIFT + Q), it opens in a Hyper-V isolated browsing environment like a sandbox to better protect your device and data from malware and viruses online.

Below is how to install the Microsoft Defender Application Guard with the Microsoft Edge browser in Windows 11.

How to run Microsoft Edge browser with Defender Application Guard in Windows 11

As described above, When you install Microsoft Defender Guard for Edge browser, every time you run Edge with Defender Application Guard (CTRL + SHIFT + Q), it opens in a Hyper-V isolated browsing environment like a sandbox to better protect your device and data from malware.

Here’s how to install or uninstall Defender Application Guard in Windows 11.

There are many ways to install this feature in Windows 11. First, one can use the Windows Security app and install or uninstall it.

First, open Windows Security App.

You can do that by clicking on the Start menu and searching for “Windows Security.” Then, under best match, select the Windows Security app to open.

windows security app search on start menu
windows security app search on the start menu

When the Windows Security app opens, click the App & browser control section.

windows 11 app and browser control section windows security app
windows 11 app and browser control section windows security app

On the App & browser control settings page or the Windows Security app, under Isolated browsing, click the link “Install Microsoft Defender Application Guard” if you haven’t already installed it.

If installed, click the “Uninstall Microsoft Defender Application Guard” to remove it.

windows security app install microsoft defender application guard
windows security app install microsoft defender application guard

On the pop-up window, check the box next to “Microsoft Defender Application Guard” to install. If the box is already installed and checked, uncheck it to remove it.

windows 11 install microsoft defender application guard from features
Windows 11 installs microsoft defender application guard from features

Windows features will download and install all the packages needed to run the application guard when you are installing it.

If uninstalling, Windows features will uninstall all installed packages and prompt you to restart your computer.

windows 11 windows feature restart prompt
Windows 11 windows feature restart prompt

Install or uninstall Microsoft Defender Application Guard for Edge via PowerShell

Another way to install or uninstall the Microsoft Defender Application Guard for Edge browser is to use the Windows PowerShell or Command Prompt console.

First, open Windows PowerShell or Command Prompt as administrator.

On the console, run the commands below to install the Microsoft Defender Application Guard.

Dism /online /Enable-Feature /FeatureName:"Windows-Defender-ApplicationGuard"​

To uninstall, run the commands below.

Dism /online /Disable-Feature /FeatureName:"Windows-Defender-ApplicationGuard"

When prompted if you want to restart, type Y for Yes.

Once installed, press the keyboard shortcut to use Microsoft Edge in isolated mode with Application Guard (CTRL + SHIFT + Q).

You can also click on the Edge browser menu (3 vertical dots) and select New Application Guard windows (CTRL + SHIFT + A).

windows 11 new application guard window
windows 11 new application guard window

If you don’t see the New Application Guard window command in the Edge browser settings menu, turn on Secure Boot in your computer BIOS.

That should do it!

Reference:

https://learn.microsoft.com/en-us/windows/security/threat-protection/microsoft-defender-application-guard/md-app-guard-overview

Conclusion:

This post showed you how to install or uninstall the Microsoft Defender Application Guard for Edge browser in Windows 11. Please use the comment form below if you find any errors above or have something to add.

Posted by
Richard W

I love computers; maybe way too much. What I learned I try to share at geekrewind.com.

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