Microsoft has begun rolling out forced upgrades for unmanaged Windows 11 devices running the 24H2 build, a move aimed at keeping consumer and unmanaged enterprise machines on supported and secure versions of the OS. The company is giving users a short grace period to pause the automatic update, but administrators and everyday users should be prepared to install the latest
Tag: Windows 11
Microsoft issues emergency Windows 11 update KB5086672 to fix broken March preview (KB5079391)
Microsoft has released an out-of-band (OOB) emergency update—KB5086672—to address installation problems introduced by the March 2026 non-security preview update (KB5079391). The optional cumulative preview, which shipped for Windows 11 versions 24H2 and 25H2, was pulled after users began reporting installation failures with the error code 0x80073712. KB5086672 was published on March 31, 2026 as a replacement that both restores the
Microsoft Issues Emergency Windows 11 Fix for Microsoft Account Sign-In Failures
Microsoft released an out-of-band update for Windows 11 (KB5085516) on March 21, 2026, to address a sign-in regression introduced by the March 10 cumulative update (KB5079473). Affected users reported being unable to authenticate into apps using personal Microsoft accounts: despite an active internet connection, the sign-in flow incorrectly displayed a “no Internet” error and blocked access to Microsoft services such
KB5079473 Chaos: How a Windows 11 Patch Locked Out Teams, OneDrive and Personal Accounts
A routine March cumulative update meant to keep Windows secure instead produced a glaring user-impacting regression. After Microsoft pushed KB5079473 (OS Build 26100.8037) on March 10, a subset of Windows 11 devices began failing to sign in to consumer Microsoft services. The result: personal OneDrive syncs stopped working, Microsoft Teams Free users could not authenticate, and Office features tied to
Microsoft Plans to Disable Hands‑Free Automated Installation for Windows 11 and Server 2025 After Critical RCE Flaw
Microsoft has announced a hardening plan for Windows Deployment Services (WDS) after the discovery of a critical remote code execution vulnerability, CVE-2026-0386, that compromises hands‑free automated installations. The vulnerability exposes Unattend.xml answer files over an unauthenticated channel, allowing an attacker on the same network segment to intercept or tamper with deployment configurations. For organizations that depend on network-based provisioning to
Windows 11 February Patch (KB5077181) Can Make Drive C Inaccessible on Some Samsung PCs
Microsoft has updated its Windows 11 documentation to describe a recently discovered issue tied to the February 2026 Patch Tuesday update (KB5077181). On certain machines—predominantly Samsung consumer laptops—installing that update can result in an error that prevents access to the system drive, showing “C: is not accessible – Access denied.” The problem can go beyond a simple File Explorer error