Struggling with Windows Defender not turning on in Windows 11? Discover proven, step-by-step fixes to restore your security.

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) ...

Towards the end of March, Microsoft confirmed a Windows 11 issue where the Windows security app would incorrectly display "Local Security Authority protection is off", even when the feature was ...

Personal computers used to be the domain of hobbyists, who had no problem rolling up their sleeves and diving into debuggers to figure out why something wasn't working as expected. Also: Yes, you can ...

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 ...

Microsoft Defender will continue to work in Windows 10. Defender will receive regular security updates until October 2028. Microsoft still recommends Windows 11 for new security patches. You probably ...