Microsoft Defender (previously Windows Defender) has been a part of the Windows operating system since the early 2000s, with Microsoft improving and iterating on it up to the present — and ...

If Windows Defender is deleting files in Windows 11/10, follow the solutions mentioned to prevent Windows Defender from ...

To permanently remove Windows Security, use Local Group Policy Editor, Windows Registry tweaks, or the Windows Defender Remover tool. Be cautious— removal can leave your PC vulnerable.

Learn how to disable Antimalware Service Executable in Windows 11/10 using Group Policy Editor, Windows Security, and PowerShell.

How to Enable or Disable SmartScreen Using Registry Editor You can also turn the Windows Defender SmartScreen on or off using the Registry Editor.