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

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

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

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 ...