Microsoft's Windows 11 Update Causes Shutdown Issues

Microsoft released its first security update of 2026 for Windows 11 on January 13th. Just four days later, it was forced to release an emergency out-of-band update to fix some pretty serious bugs, the first one introduced. The security patch was stopping some systems from shutting down or hibernating properly, and also preventing some users from waking their computers from sleep mode.

The issue was caused by a bug in the Windows 11 update, which was affecting a small number of users. Microsoft quickly released a fix, which was available through Windows Update. The company has since confirmed that the issue has been resolved.

The incident highlights the importance of testing software updates before releasing them to the public. It also shows that even with the best testing processes in place, bugs can still slip through and cause issues for users.

Microsoft has not commented on the number of users affected by the issue, but it is believed to be a small percentage of the total Windows 11 user base.

The company has a reputation for being proactive in addressing issues with its software, and it is likely that the fix for this bug will be rolled out to all Windows 11 users in the coming days.

Sources

[3] Microsoft’s first Windows 11 update of 2026 stopped some computers from shutting down