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

Windows Update error 0x80240069 has been occurring recently when installing KB5063878 using enterprise tools like WSUS or SCCM, but it works fine when using Windows ...

The majority of the updates that come through Windows Update are for Windows Defender, and for good reason. Windows Defender helps make your antimalware and other security protections stronger.

Microsoft has resolved a bug that caused Windows Defender to crash after a recent security update, resulting in 0xc0000005 access violation errors on some affected systems. Microsoft Defender is a ...

Microsoft released a new Defender update for Windows 10 and 11 ISO images. According to the company, this update must be deployed across all new Windows 11 and 10 installs. This past week Microsoft ...