US EditionWindows 11 KB5077181 Fixes Boot Failures Linked to Failed Updates
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5 Articles
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 environment of Windows 11 lives another unexpected moment when it is discovered that Microsoft has solved one of the major recent problems of the operating system. The strange thing is that it has solved it in silence, without announcing it and even without marking it in the changes of the last update. Sometimes, it is difficult to understand Microsoft. The company has been giving up a few years and leaving its users quite surprised with sev…
Windows 11 KB5077181 Security Update Causing Some Devices to Restart in an Infinite Loop
Microsoft's February 10, 2026, security update KB5077181 for Windows 11 versions 24H2 (build 26200.7840) and 25H2 (build 26100.7840) has triggered widespread reports of critical boot failures just days after deployment.
Mandatory update KB5077181 for Windows 11 corrects black screen problems with Nvidia GPUs, gaming artifacts and explorer crashes. In addition, 58 vulnerabilities are closed.
Windows 11 KB5077181 fixes gaming bugs, Nvidia black screen, and performance issue affecting explorer.exe, taskbar, and Start menu
Windows 11 KB5077181 is actually a pretty decent update after a long time. In our tests across hundreds of machines, Windows Latest did not observe any major issues. In fact, KB5077181 could make some PCs faster if explorer.exe was hanging on your system, and it also fixes the black screen issue on Nvidia GPUs. KB5077181 is a mandatory release, so it will install whether you like it or not, and we also recommend installing it for multiple good r…
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