Solution: Windows Defender blocked by Group Policy

A serious problem faced by many users is “Windows Defender blocked by Group Policy”. This usually appears when we try to run Windows Defender. In this article, you will find different methods on how to fix Windows Defender Group Policy stuck error in Windows 10, 8 and 7.

But before that, let me list all the main causes that lead to this error message.

Causes of “Windows Defender blocked by Group Policy”

There can be many possible causes behind the “Windows Defender blocked by Group Policy” error. We list below some of the common causes for the occurrence of the error.

Third-party antivirus

One of the most common causes of the “Windows Defender disabled by Group Policy” error is third-party antivirus.

If we try to install a third-party antivirus on our windows, Windows defender will immediately turn off. Our windows have their pre-installed antivirus known as Windows Defender that protects it from any third-party software. Since while trying to install another antivirus, the conflict between the software freezes and blocks the other software. Therefore, Windows Defender shuts down to avoid further conflicts.

Date or time

Another common cause is the wrong date and time. Most Windows programs and functions will work with date and time, and incorrect data will cause errors to form in Windows.

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Windows update

There are certain features that require your Windows to be updated.

Methods to fix “Windows Defender blocked by Group Policy”

Let’s see the methods on how to overcome this problem.

Local group policy

The first method is to activate Windows Defender from the local Group Policy settings.

You just need to go through the local group policy settings and activate Windows Defender from there.

Follow these steps to turn it on.

Step 1: Press the Windows key + R simultaneously to open Run program .

Step 2: Type gpedit.msc and press Enter to open the Local Group Policy Editor .

Step 3: Browse through Computer Configuration> Administrative Templates> Windows Components> Windows Defender from the left pane of the Local Group Policy Editor window.

Step 4: From the Windows Defender folder, find and double-click Disable Windows Defender.

Step 5: Since the windows will appear, select the option Not configured (make sure it is not enabled).

Step 6: Click the button Apply . Please select Okay to complete the process.

Advanced registry editing

This method has been shown to be the best remedy to fix “Windows Defender blocked by Group Policy” in Windows 10, 8, 7. It is a bit tricky, but it is one of the best ways to fix this Defender error Windows.

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Follow these steps to modify the registry.

Step 1: Press Windows key + R simultaneously to start the Execution program .

Step 2: Please enter regedit.exe and hit the Enter key (sometimes it would ask for permission to execute, click OK to continue).

Step 3: The registry editor window will appear. Navigate through the computer> HKEY_LOCAL_MACHINE from the list in the left pane.

Step 4: Select SOFTWARE , the drop-down list will open. Select the folder Policies in SOFTWARE.

Step 5: Inside the Policies folder, you will find the subfolder of Microsoft , click to open it. From within, fill the Windows Defender folder found. Double-click the folder to open the files it contains.

Step 6: You will find the file predetermined inside him. Double click to start the file. The window will appear Edit string, enter on the option ยป Information the value:” . Press OK to continue.

Step 7: Verify that Windows Defender is activated from the Control Panel .

Uninstall third-party antivirus to fix this in Windows 8 and 7

We already discussed that it must be the result of a conflict between Windows Defender and a third-party antivirus. You can uninstall any third-party antivirus to fix this problem. Follow these steps to uninstall.

Step 1: Browse through from Control Panel> Programs and Features .

Step 2: Select the third-party antivirus from the given list.

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Step 3: Right click on it, select Uninstall . Complete all the steps to uninstall the antivirus program.

Step 4: Reboot your computer to carry out the uninstallation.

Activate Windows Defender using command prompt

Another way to repair Windows Defender disabled by Group Policy error is through the command line. You can run certain commands to activate Windows Defender. Follow these simple tips to activate it.

Step 1: Press Windows key + R to open Run .

Step 2: Please enter cmd and hit enter to start the Symbol of the system .

Step 3: When it opens, type REG DELETE “HKLM SOFTWARE Policies Microsoft Defender” / v DisableAntiSpyware .

Step 4: Press Get in to continue the command to work.

Step 5: Reboot computer to consider changes to the operating system.


We have put all the possible causes and methods to fix the “Windows Defender blocked by group policy” error.

You should choose any of the methods, as they all work equally efficiently. Do not try to skip any of the steps while working with any of the given methods. It can cause serious damage to your computer. It is recommended to restart your computer after completing the repair procedure. You can ask about inquiries with the help of comments.

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