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 ...

Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.

Windows Defender Security Center provides real-time protection for your personally owned PC that guards against viruses, spy-ware and other malicious software. Learn more about Windows Defender ...

To use Windows Defender ATP (Advanced Threat Protection), onboard your devices to the platform using Configuration Manager, Microsoft Intune, or manual installation. Access the Microsoft Defender ...

Microsoft says the KB5007651 Microsoft Defender Antivirus update triggers Windows Security warnings on Windows 11 systems saying that Local Security Authority (LSA) Protection is off. LSA Protection ...

Microsoft has decided to re-release its Windows 11 KB5007651 after one of its updates broke the Windows Security interface. The update in question was known as the Windows Defender Security update.

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 ...

Microsoft has pulled a recent Microsoft Defender update that was supposed to fix a known issue triggering persistent restart alerts and Windows Security warnings that Local Security Authority (LSA) ...

Microsoft has confirmed earlier today that it has fixed a major issue with Windows Defender wherein it would incorrectly display "Local Security Authority protection is off" even when the feature was ...

Ransomware is nasty stuff. This type of malware encrypts files on your PC so that you can’t access them—unless you pay the attacker to unlock the data. In other words, your files are held hostage ...

A Dec. 12 posting to Microsoft’s security update guide has confirmed that a Windows Defender vulnerability, rated as critical according to Microsoft itself, could have enabled an attacker who ...