Ask your administrator Start Windows Security Health Service Reinstall using Windows Terminal Check Group Policy settings Use System Restore point Before you begin, you should know that now Windows ...

To disable Microsoft Defender on Windows 11, go to Settings > Privacy & Security > Windows Security > Virus & Threat Protection, click Manage Settings, and toggle off ...

Unable to disable Windows Defender? If Windows Defender does not turn off even when you have installed 3rd party Antivirus or an Internet Security Suite, this post may help you. If you have another ...

When performing a full antivirus scan using Windows Defender, a recent definition update or Windows update is causing the program to crash in the middle of a scan. We first heard about this issue from ...

Your PC is capable of running not one, but two Windows apps designed to protect you and your system against online threats: Windows Security and Microsoft Defender. Telling them apart can be tricky, ...

Update, March 31, 2025: This story, originally published March 29, has been updated with an explanation of LOLBINS as well as further technical information regarding the Windows Defender Application ...

How to use PowerShell to investigate Windows Defender’s malware signature definitions database Your email has been sent What malware does Windows Defender recognize? Learn how to use PowerShell's ...

Formerly known as Windows Defender, Microsoft Defender is an antivirus protection program that's included with Windows 10. You can enable or disable Microsoft ...

Scammers are using fake Windows Defender pop-ups with real looking phone numbers to trick users. These fraudulent warnings are not from Microsoft and aim to gain remote access to your computer. A ...

Windows 10's built-in antivirus tool Microsoft Defender uses threat signatures, behavioral detection, and machine learning models to automatically detect and block suspicious files, folders, and ...