Microsoft has confirmed a critical stability problem affecting some Windows Server 2025 domain controllers following the April 2026 cumulative update (KB5082063). Administrators around the world reported domain controllers entering repeated reboot cycles after installing the update released on April 14, 2026, and Microsoft’s release notes were updated to acknowledge the issue and a related installation failure affecting a subset of
Tag: reboot loop
Windows 11 KB5077181 Update Triggers Restart Loop on Some Devices — What You Need to Know
Microsoft’s February 10, 2026 security update KB5077181 for Windows 11 (notably reported on affected 24H2 builds) has been linked to a troubling issue on a subset of systems: devices repeatedly restarting in an infinite loop after applying the patch. If your PC is caught in this cycle, or you manage endpoints in an organization and are seeing similar behavior, here’s