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 ...

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 ...

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

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.