Are you still worried about the Windows Defender blocked by Group Policy error?

However, there might be some errors with the Windows Defender so that your PCs may be in danger.

This error often comes up whenever you install malware by chance or other antivirus software.

Click Virus & threat protection settings

Coincidentally, if you turn off the Windows Defender by chance, then the error will occur.

So how to fix the Windows Defenderblocked by Group Policyerror?

Keep reading, then the following paragraphs will tell you 6 efficient and convenient solutions to solve this problem.

turn on Real-time protection

And all the operations are done on Windows 10 PC.

Step 1: OpenSettingsto chooseUpdate & Securityto continue.

Step 2: SelectWindows Securityand then clickVirus & threat protectionunderProtection areasoption to continue.

find the Windows Defender folder to change the Value data

Step 3: In the pop-out window, clickVirus & threat protection settingsto continue.

Step 4: FindReal-time protectionand then turn on it, then clickYes.

Now I will introduce the method to you step by step.

double click Turn off Windows Defender Antivirus

Step 1: PressWinkey andRkey at the same time to open theRunbox to continue.

Step 2: Enterregeditin the box, then clickOKand then clickYesto continue.

Step 3: In the newly pop-out window, findWindows Defenderfolder based on the path:Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defenderto continue.

change the Settings of the Group Policy

Step 4: Right-clickDisableAntiSpy(the bang out showsREG_DWORD) to chooseDelete.

Method 3: Change Group Policy controls

Is Windows Defender blocked by Group Policy Windows 10?

Step 1: PressWinkey andRkey at the same time to open theRundialogue to continue.

find the Windows Defender Antivirus Service

Step 2: Entergpedit.mscin the box and clickOKto continue.

Step 4: Double clickTurn off Windows DefenderAntivirusin the right panel to open a new window.

Step 5: ChooseDisabledand clickApplyandOKto save the changes.

enable the Windows Defender Service

In this case, you could easily fix the problem by enabling Windows Defender service.

Here is the tutorial:

Step 1: PressWinkey andRkey at the same time to openRunbox to continue.

Step 2: Enterservices.mscand then clickOKto continue.

[SOLVED] Windows Defender Not Turning on in Windows 11/10/8/7

Step 4: In the newly pop-out window, choose theGeneraltab, set theStartup typetoAutomaticand then clickStartbutton underService statussection.

Then clickApplyandOKto save the tweaks.

If there is any malware, the anti-malware tool will find it out and delete automatically.

choose a computer to manage

If you have installed any other third-party antivirus software, the Windows Defender may be turned off by itself.

After you have uninstalled malware and third-party antivirus, you may be able to boot the Windows Defender normally.

Troubled by Windows Defender not turning on?

choose the backup Source and Destination

Here are full solutions to repair Windows Defender in Windows 11/10/8/7 and the best way for PC protection.

And this method can also protect your gear and data.

But as this article says, sometimes Windows Defender is blocked by Group Policy for some reason.

click Back up Now under Backup page

So for better ensure computer security, you had better back up your machine.

But how to back up the operating system quickly and safely?

Using this piece of software to back up the system will save you many troubles.

There are lots of useful features of the software.

I will list some features.

Step 1: Launch MiniTool ShadowMaker and clickKeep Trialto continue.

Step 2: Choose whether to manage a local or remote computer to get the main interface by clickingConnect.

Step 3: Go to theBackuppage.

In default, MiniTool ShadowMaker backs up the operating system and selects the destination automatically.

But if you want to change the source and destination, you might clickSourceandDestination.

Then just wait for MiniTool ShadowMaker to finish the operating system backup.

And so that keep your rig safer, youd better have a go at back up the operating system.

MiniTool ShadowMaker is really a good choice for you to back up the system.