Quick Read
- Microsoft issued emergency ‘out-of-band’ updates for Windows 11.
- The updates fix bugs preventing systems from shutting down/hibernating and causing Remote Desktop sign-in failures.
- These critical issues were introduced by the January 2026 Windows 11 security patches.
- The specific updates are KB5077744 and KB5077797, rolling out via Windows Update.
- The shutdown issue affects Windows 11 version 23H2 with Secure Launch, while Remote Desktop failures impact broader Windows 11, Windows 10, and Windows Server versions.
Microsoft has deployed emergency ‘out-of-band’ updates for Windows 11, addressing critical issues that caused some systems to fail shutdown or hibernation and prevented successful Remote Desktop sign-ins. These severe regressions were inadvertently introduced by the company’s first Windows 11 security patches released in January 2026, prompting Microsoft to issue immediate fixes outside its regular update cycle to restore essential operating system functionality for affected users globally.
Critical Bugs Impact Core Functionality
The recent January 2026 security updates for Windows 11 unexpectedly introduced two significant bugs that severely impacted user experience and system stability. The first issue primarily affected devices running Windows 11 version 23H2 with ‘Secure Launch’ enabled, preventing them from properly shutting down or entering hibernation mode. Users reported that attempts to turn off their computers would either hang indefinitely, fail entirely, or result in an unexpected reboot instead of a complete shutdown, as detailed by ghacks.net and The Independent. This bug, while specific to a particular configuration, undermined a fundamental aspect of operating system management.
Simultaneously, a more widespread problem emerged concerning Remote Desktop connections. Users attempting to sign into affected machines via Remote Desktop found that authentication failures prevented successful logins. This issue had a broader scope, impacting not only various versions of Windows 11, including version 25H2, but also Windows 10 22H2 ESU (Extended Security Updates) and Windows Server 2025, according to Microsoft’s official advisories. For individuals and businesses relying on Remote Desktop for accessing work or home systems, this effectively locked them out, causing significant disruption.
Rapid Deployment of Out-of-Band Patches
Recognizing the severity and widespread impact of these issues, Microsoft acted swiftly to release emergency fixes, known as ‘out-of-band’ updates, bypassing its standard monthly patch Tuesday schedule. The fixes, identified as KB5077744 and KB5077797, are now being rolled out automatically through Windows Update. Installing these updates is designed to immediately resolve both the shutdown and hibernation failures and the Remote Desktop authentication problems, returning affected systems to normal operation.
The prompt release of these patches underscores the critical nature of the bugs. Microsoft has not yet provided a detailed explanation for how these issues managed to pass through its extensive testing protocols, including the Windows Insider Program, before reaching production systems. However, the company has confirmed that the new updates fully address the reported behaviors. Users whose devices are configured to pause updates or are managed under enterprise policies may need to manually approve or deploy these fixes to ensure timely application, as highlighted by Digital Trends.
A Pattern of Post-Release Complications
These latest incidents add to a concerning trend of post-release complications observed with Windows 11 updates over the past year. Previous updates have been known to cause various glitches, such as the Task Manager remaining active in the background after being closed, leading to unnecessary resource consumption. Another notable issue involved a bright white flash appearing when opening File Explorer in dark mode, despite the update being marketed as an improvement to dark mode functionality. Furthermore, Microsoft previously had to issue an emergency fix for an update that damaged the Windows Recovery Environment, preventing users from accessing vital troubleshooting and recovery options when system failures occurred.
Each of these issues required subsequent patches, often after users encountered them on their production systems, raising questions about Microsoft’s quality control processes. The recurring nature of these critical bugs emerging after official releases has led some critics, including Windows Central, to call for Microsoft to address these quality control challenges to improve the overall image and reliability of Windows 11, especially as it continues to grow in market share, surpassing Windows 10 as the world’s most popular operating system for laptops and computers.
Recommendations for Affected Users
For users who have experienced either the shutdown/hibernation failure or the Remote Desktop sign-in issues, Microsoft strongly recommends installing the emergency updates as soon as they become available via Windows Update. The company anticipates that systems will return to normal behavior immediately after the patches are successfully applied. While proactive users often adopt a ‘cooling-off’ period before installing new updates to avoid potential bugs, the urgency of these particular fixes means that prompt installation is advisable for those impacted.
This situation also serves as a reminder of the broader context of Microsoft’s operating system strategy. With free support for Windows 10 officially ending, and an Extended Security Program (ESP) available for a fee until October this year, users are increasingly encouraged to upgrade to Windows 11. However, recurring update stability issues could potentially make some users hesitant to transition, despite the security risks associated with using an unsupported operating system, as warned by consumer organizations like Which? and reported by Engadget.
The persistence of critical bugs making it into public Windows 11 updates, despite extensive internal and public testing programs, highlights an ongoing challenge for Microsoft in maintaining stringent quality control across its vast and complex operating system ecosystem. This pattern not only inconveniences users but also risks eroding trust in the reliability and stability of essential software, demanding a more robust pre-release validation process for future updates.

