
"The first security update of 2026 already caused problems for Microsoft. The update prevented various Windows 11 systems from shutting down correctly. The problem affected business editions of the operating system. The security update released by Microsoft on January 13 caused several problems: systems no longer shut down correctly or went into energy-saving mode. Users also reported being unable to log in via remote desktop."
"The inability to shut down Windows correctly affected only systems running Windows 11 23H2, specifically the Enterprise and IoT editions. According to the changelog, Microsoft identified "connection and authentication failures in remote connection applications" on multiple platforms, including Windows 11 version 25H2 and Windows Server 2025. Although the bug was annoying for affected users, its impact was relatively limited. Only systems running Windows 11 23H2 in the Enterprise or IoT editions experienced problems."
The security update released on January 13 prevented various Windows 11 systems from shutting down correctly and caused some systems to enter energy-saving mode unexpectedly. Users also reported inability to log in via Remote Desktop. Microsoft identified connection and authentication failures in remote connection applications across multiple platforms, including Windows 11 version 25H2 and Windows Server 2025. The shutdown problem affected only Windows 11 23H2 Enterprise and IoT editions. Microsoft released a patch four days after the update. Users of affected systems can download the patch via Windows Update or the Microsoft Update Catalog. Organizations still running Windows 11 23H2 are encouraged to upgrade to newer versions.
Read at Techzine Global
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