If you can’t turn on or off Real-time protection in Windows Defender on Windows 11, follow these solutions: Disable third-party security software Verify Group Policy setting ...

A weird bug has been discovered in Windows Defender's real-time notification system that causes it to suck up CPU resources. Run this free utility to see if it's affecting your rig.

Keep in mind that disabling Real-time protection (Windows Defender antivirus) only works for a limited time. This security feature will enable by itself automatically after some time. Other parts ...

One solution, which you definitely shouldn’t attempt, is to disable Windows Defender Real-time Protection. This will leave your computer vulnerable to attacks, which you obviously don’t want.

When you launch Windows Security on Windows 11, you may see a message You’re using other antivirus providers. This prevents you from activating the Real-time protection of Windows Defender ...

Windows Defender, now known as Windows Security, is a robust antivirus solution integrated into Windows operating systems, offering real-time protection against various threats.

On Windows 11 (and 10), the "Windows Security" app provides a user-friendly interface and tools to manage common security features. For example, the experience includes the Microsoft Defender ...

To fix high memory usage by Antimalware Service Executable on Windows 11, try turning off real-time protection, uninstalling pirated apps, scanning for malware, rescheduling Windows Defender scans ...

What you need to know. The latest version of Windows Defender has a bug that causes Quick and Full scans to fail. Real time scanning still works for Windows Defender despite the bug.