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 ...

Recently, a handful of Windows 11 users have reported on Microsoft forums that they are repeatedly getting warnings that their PC’s security is off. It appears that a Windows 11 antivirus bug falsely ...

A blog for IT professionals who work with Windows on large networks. Last month, I wrote a blog post here about co-called “corrupt file” messages originating in SFC /scannow. On Friday, August 16, ...

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 ...

CVE-2026-50656 is due to improper link resolution before file access, affects Windows 10 and Windows 11, and may allow authenticated attackers to achieve SYSTEM-level privileges on vulnerable machines ...