bsod
Windows 11 KB5077181 fixes boot failures linked to failed updates
Microsoft says it has resolved a Windows 11 bug that caused some commercial systems to fail to boot with an “UNMOUNTABLE_BOOT_VOLUME” error after installing recent security updates, with the fix delivered in the February 2026 Patch Tuesday update. The boot issue, which Microsoft previously investigated and linked to failed December 2025 updates, affected a limited number of […]
Microsoft links Windows 11 boot failures to failed December 2025 update
Microsoft has linked recent reports of Windows 11 boot failures after installing the January 2026 updates to previously failed attempts to install the December 2025 security update, which left systems in an “improper state.” The boot failures were first reported earlier this month after users installed the January 2026 Patch Tuesday cumulative update, KB5074109, on Windows 11 […]
Microsoft investigates Windows 11 boot failures after January updates
Microsoft is investigating reports that some Windows 11 devices are failing to boot with “UNMOUNTABLE_BOOT_VOLUME” errors after installing the January 2026 Patch Tuesday security updates. The issue affects Windows 11 version 25H2 and all editions of Windows 11 version 24H2 after installing the KB5074109 cumulative update released as part of this month’s updates. According to Microsoft, some customers have […]
ClickFix attack uses fake Windows BSOD screens to push malware
A new ClickFix social engineering campaign is targeting the hospitality sector in Europe, using fake Windows Blue Screen of Death (BSOD) screens to trick users into manually compiling and executing malware on their systems. A BSOD is a Windows crash screen displayed when the operating system encounters a fatal, unrecoverable error that causes it to […]
Windows will soon prompt for memory scans after BSOD crashes
Microsoft has started testing a new feature that prompts Windows 11 users to run a memory scan when logging in after a blue screen of death (BSOD). These notifications will be displayed whenever the device encounters a bugcheck (a critical Windows kernel or driver error that the operating system cannot recover from), which triggers a […]
Windows 11 gets new Black Screen of Death, auto recovery tool
Microsoft is rolling out significant changes to Windows 11 24H2 as part of the Windows Resilience Initiative, designed to reduce downtime and help devices recover from serious failures, as well as an overhaul of the all-too-familiar BSOD crash screens. Microsoft’s Windows Resiliency Initiative is a new effort by Microsoft to make Windows more stable, self-healing, and […]
Windows 11 24H2 emergency update fixes Easy Anti-Cheat BSOD issue
Microsoft has released an emergency Windows 11 24H2 update to address an incompatibility issue triggering restarts with blue screen of death (BSOD) errors on systems with Easy Anti-Cheat. The out-of-band update (KB5063060) is a revised version of the Windows 11 KB5060842 cumulative update released during this month’s Patch Tuesday after many customers reported experiencing system reboots and IRQL_NOT_LESS_OR_EQUAL […]
Microsoft fixes Windows Server 2025 blue screen, install issues
Microsoft has fixed several known issues that caused Blue Screen of Death (BSOD) and installation issues on Windows Server 2025 systems with a high core count. As Redmond said when it acknowledged this known issue in October, impacted devices may experience a wide range of symptoms, including Windows Server 2025 installation or upgrading processes failing or hanging, […]
Microsoft warns of blue screen crashes caused by April updates
Microsoft warned customers this week that their systems might crash with a blue screen error caused by a secure kernel fatal error after installing Windows updates released since March. According to advisory updates for the KB5055523 April cumulative update and the KB5053656 March preview update, this known issue affects devices running Windows 11, version 24H2. Those affected will […]
Microsoft tests new Windows 11 tool to remotely fix boot crashes
Microsoft has begun testing a new Windows 11 tool called Quick Machine Recovery, which is designed to remotely deploy fixes for buggy drivers and configurations that prevent the operating system from starting. The tool is part of Microsoft’s Windows Resiliency Initiative, an effort to enhance system stability and reduce downtime by introducing automated tools and features […]
