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 presumably ...

At times, you may not always be able to turn on or off Real-time protection in Windows Defender on Windows 11. There could be many reasons for this error, so we have consolidated some of the common ...

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 against ...

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, or ...

PCWorld examines whether Windows 11’s built-in Microsoft Defender Antivirus and security suite provide adequate protection for everyday users without third-party software. Windows 11 includes ...