Windows 11’s first big update of 2026 was supposed to harden security and smooth out rough edges. Instead, it has left some users staring at blank desktops, stalled shutdown screens, and boot loops ...

Microsoft has resolved an issue that breaks multiple Microsoft 365 Defender features using the network data reporting service after installing July's Windows Server updates. The Microsoft 365 Defender ...

Struggling with Windows Defender not turning on in Windows 11? Discover proven, step-by-step fixes to restore your security. Quick solutions for real-time protection issues without hassle.

Microsoft has announced the retirement of Microsoft Defender Application Guard (MDAG) for Windows 11 as part of its broader shift in security architecture.