How to Disable Antimalware Service Executable in Windows 11: A Guide

Disabling the Antimalware Service Executable in Windows 11 can improve your PC’s performance, but it comes with risks. Here’s a quick guide to help you disable it safely. You’ll need to adjust settings in Windows Security and Windows Registry. Be cautious, as this action leaves your PC vulnerable to threats.

How to Disable Antimalware Service Executable Windows 11

This guide will walk you through the steps to disable the Antimalware Service Executable on your Windows 11 PC. This service is part of Windows Defender, and turning it off can potentially free up system resources.

Step 1: Open Windows Security

Click on the Start menu and type “Windows Security,” then press Enter.

Windows Security is the hub for managing all security settings on your PC. This is where we’ll start to disable the Antimalware Service Executable.

Step 2: Go to Virus & Threat Protection

Once inside Windows Security, click on “Virus & threat protection” on the left-hand side.

This section is where you manage your antivirus settings. To disable the Antimalware Service Executable, we need to turn off real-time protection first.

Step 3: Manage Settings

Scroll down and click on “Manage settings” under the Virus & threat protection settings.

This will open up more detailed options. Here, we’ll find the toggle to disable real-time protection.

Step 4: Turn Off Real-Time Protection

Find “Real-time protection” and toggle it off.

Turning off real-time protection will stop the Antimalware Service Executable from running constantly. Remember, this can make your PC more vulnerable to threats.

Step 5: Edit the Windows Registry

Press Win + R, type “regedit,” and press Enter. Navigate to HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindows Defender.

Editing the registry will ensure that Windows Defender doesn’t automatically turn back on. Be careful here; incorrect changes can affect your system.

Step 6: Create a New DWORD Value

Right-click on the Windows Defender folder, select New, then DWORD (32-bit) Value, and name it “DisableAntiSpyware.” Set its value to 1.

This step ensures the Antimalware Service Executable remains disabled even after a restart.

After completing these steps, the Antimalware Service Executable should be disabled, freeing up system resources. Be cautious, as this will reduce your PC’s protection against viruses and malware.

Tips for Disabling Antimalware Service Executable Windows 11

  • Consider using a third-party antivirus program if you disable Windows Defender.
  • Regularly scan your system manually to catch any threats.
  • Keep your operating system and all software up to date.
  • Backup your registry before making any changes.
  • Use a firewall to protect your network from external threats.

Frequently Asked Questions

What is the Antimalware Service Executable?

The Antimalware Service Executable is part of Windows Defender that provides real-time protection against malware.

Why would I disable it?

Disabling it can free up system resources and improve performance, particularly on older or slower PCs.

Is it safe to disable the Antimalware Service Executable?

Disabling it will leave your PC more vulnerable to malware and other threats. Consider installing another antivirus program if you disable it.

How can I turn it back on?

To re-enable it, follow the same steps but set the DWORD value to 0 and turn on real-time protection in Windows Security.

Will my PC run faster after disabling it?

Yes, your PC might run faster because fewer resources are being used for real-time protection.


  1. Open Windows Security.
  2. Go to Virus & Threat Protection.
  3. Manage Settings.
  4. Turn Off Real-Time Protection.
  5. Edit the Windows Registry.
  6. Create a New DWORD Value.


Disabling the Antimalware Service Executable in Windows 11 can help boost your PC’s performance by freeing up system resources. However, it’s essential to understand the risks involved. Without real-time protection, your computer becomes more susceptible to malware and other threats. Always consider using an alternative antivirus solution if you decide to disable Windows Defender.

Keeping your system and software up to date is crucial for maintaining security. Regular manual scans and a good firewall can also help keep your PC safe. If you ever need to turn the Antimalware Service Executable back on, just follow the same steps and reverse the changes.

For more detailed guides and tips on managing your Windows 11 settings, consider exploring more of our articles. Stay safe, and happy computing!