Fixed – Windows Defender This Setting Is Managed by Administrator

This Setting Is Managed by Your Administrator Windows Defender Windows 11/10

Windows Defender, also known as Windows Security is the built-in professional antivirus program in Windows 11/10 that offers real-time protection to keep your PC from viruses and malware. However, sometimes you are blocked from making some settings and the error message appears on the screen – this setting is managed by your administrator.

This error can be seen above options within the Virus & threat protection settings, App & browser control, and Core isolation of Device security tabs and these are the primary settings:

• Real-time protection
• Cloud-delivered protection
• Automatic sample submission
• Tramper Protection
• Check apps and files
• Core isolation memory integrity

Related post: Windows 11 Memory Integrity Is Off? – Here Are 6 Fixes for You

Once you get this error message in Windows 11/10, you cannot turn on the important settings of Windows Security since the options are greyed out. Even if you are the administrator, this antivirus won’t let you do this thing.

So, how can you fix this setting is managed by your administrator virus and threat protection/core isolation/tramper protection, etc.? Move to the next part to find out what you should do.

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Fixes – This Setting Is Managed by Your Administrator Windows Defender Windows 11/10

Install Windows Update

Check if your PC has any pending updates to install since these updates may include the patches for this issue and try to do this thing.

Step 1: Press Win + I to open Settings and go to Update & Security > Windows Update (Windows 10) or go to Windows Update.

Step 2: Check for available updates. If Windows detects them, download and install them on your PC.

This requires several system restarts. After that, go to check if this setting is managed by your administrator real-time protection Windows 10/11 or core isolation this setting is managed by your administrator is fixed. If not, continue the fixes.

Uninstall Third-Party Antivirus Software

If you have installed a third-party antivirus program on your PC, it may impact Windows Defender and lead to unavailable settings of this app along with the error this setting is managed by your administrator. Thus, try to uninstall this third-party antivirus tool to let Windows Security regain full control.

Step 1: In Windows 11/10 search box, type appwiz.cpl into it and press Enter to open the Programs and Features window.

Step 2: Right-click on the target antivirus program and choose Uninstall.

Step 3: Complete the uninstallation by following the wizards on the screen.

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Reset Windows Security

Errors in Windows Security may be responsible for this setting is managed by your administrator in Windows 11/10. So, try to reset this app.

In Windows 10, go to the start menu to find Windows Security, right-click on it and choose App settings. Then, click the Reset button.

In Windows 11, you can go to Settings > Apps > Installed apps/Apps & features > Windows Security, click the three dots to choose Advanced options, and then tap on Reset.

Edit Windows Registry

According to reports, many users have solved the Windows Security administrator problem by tweaking the registry key. Before you do, you had better use the System Restore feature to create a restore point to avoid system crashes due to mistaken operations.

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Then, start the change in these steps:

Step 1: Launch Registry Editor by typing regedit in the search box and clicking the app.

Step 2: Go to Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\HypervisorEnforcedCodeIntegrity.

Step 3: Double-click on the Enabled key from the right pane and set its value data to 0.

If you cannot find the HypervisorEnforcedCodeIntegrity item on your PC, do the following operations.

Step 1: Go to Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender.

Step 2: Right-click on Windows Defender, choose Export, and name it Windows Defender. Also, export these two keys – Policy Manager and Real-Time Protection. Based on your PC, the subkeys are different and just make a backup for them using the Export feature.

Step 3: Right-click Windows Defender and choose Delete. Then click Yes to confirm.

Step 4: After that, restart your PC and try to use Windows Defender to see if this setting is managed by your administrator core isolation/real-time protection is addressed.

Edit Group Policy settings

If you change policies regarding Windows Security in Local Group Policy Editor, you may encounter the Windows Security administrator issue in Windows 11/10. Go to edit the settings to the correct one in Pro or higher edition of Windows.

Step 1: Type gpedit.msc into the search box and press Enter.

Step 2: Go to Computer Configuration > Administrative Templates > Windows Components > Microsoft Defender Antivirus > Real-time Protection.

Step 3: Make sure all the policies in the right pane are set to Not Configured. If one is set to Enabled, double-click on this policy and change the properties.

This way is very helpful to fix this setting is managed by your administrator real-time protection Windows 10/11. So, just have a try.

Final Words

Now you should have successfully fixed this setting is managed by your administrator in Windows Security on Windows 11/10. As a professional and excellent antivirus program, Windows Security is powerful to prevent your PC from malware and viruses.

But it goes wrong now and then, for example, you meet some common issues like Windows Defender not working, Windows Defender keeps turning off, error 0x8007139f, etc.

Besides, only running Windows Security is not enough to keep your PC safe since some potential attacks cannot be detected by this app. As a result, your PC data is vulnerable and system crashes may happen. So, to safeguard your computer, running a professional PC backup software is recommended. Double insurance is a good solution.

To back up your PC, MiniTool ShadowMaker is a good assistant since it is helpful to create a backup and recovery of files, folders, disks, partitions, and systems. To know how to back up, refer to our previous post – How to Back up Windows 11 (Focuses on Files & System).

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