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Windows 11 KB5077181 Fixes Boot Failures Linked to Failed Updates
7 Articles
7 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.
After weeks of uncertainty, Microsoft finally deploys a complete fix for PCs blocked by the UNMOUNTABLE_BOOT_VOLUME error. The resolution comes with the security update of February, but not everyone is out of business.
It seems the last few days haven't been kind to the software. More and more reports of Windows 11 malfunctions are emerging, and it's difficult to list all the problems. The most prominent cases are reboot loops and errors popping up while gaming. Fortunately, patches are on the way. Windows 11 isn't working properly again, and users are fed up. Let's start with the KB5077181 update, which has been causing quite a bit of controversy for the past…
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.
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