Windows Security and its Defender antivirus component carries out quick scans and full scans of the files on your computer at ...

A bad security intelligence update causes Microsoft Defender to crash during Full and Quick Scans on some PCs. Upgrading to ...

Microsoft has resolved a bug that caused Windows Defender to crash after a recent security update, resulting in 0xc0000005 ...

A Windows Defender issue is causing full, quick and offline scans to crash or fail for some Windows 11 users, potentially ...

Catch up with this week's Microsoft stories in our latest recap. See what was broken by the last Patch Tuesday update, the ...

Microsoft actually wanted to close a security gap, but a current update now apparently partially paralyzes Windows Defender.

This method involves modifying a Registry value called DisableAntiSpyware. In older versions of Windows, this policy key was used by OEMs and IT administrators to disable Microsoft Defender Antivirus ...

Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, and devices. Windows 11 comes with plenty of built-in security tools, but ...