Windows 11 (KB5013943 update): all the news

Like every first Tuesday of the month, Microsoft releases a monthly Windows 11 update full of news and bug fixes. But be careful! This KB5013943 update causes serious problems in programs that use the .NET Framework 4.x and MMC. We will continue to monitor these developments with build 22000.675.

Featured News

  • Updated an issue that could result in video subtitles being partially cut off.

  • Updated video subtitle offset issue.
  • The temperature is now displayed at the top of the weather icon in the taskbar.
  • Fixes an issue that prevents you from using the minimize, maximize, and close buttons in a maximized application window.

KB5013943 Update improvements

  • Adds enhancements for servicing the Windows Secure Boot component.
  • We fixed an issue that caused the AppX Deployment Service (AppXSvc) to not work after installing certain MSIX applications.

  • Fixes a race condition that occurs at the beginning of the boot process, which can lead to a fatal error.
  • Enhanced Autopilot client to support updated Trusted Platform Module (TPM) features that support self-deployment and pre-provisioning scenarios.
  • Changes the Azure Active Directory (Azure AD) registration timeout from 60 minutes to 90 minutes for Azure AD-joined hybrid autopilot scenarios. It also eliminates the race condition that causes the exception to time out.
  • Addresses an issue that causes some POS terminals to sometimes experience delays in booting the operating system after a reboot of up to 40 minutes.
  • Addresses a memory leak issue that affects Windows systems that are in use 24 hours a day.
  • Addresses an issue that affects Dynamic Host Configuration Protocol (DHCP) option 119 (domain lookup option) by preventing the connection-specific DNS suffix lookup list from being used.
  • Fixed an issue affecting the Title attribute in Microsoft Age IE mode.
  • Addresses an issue that prevents mobile device management (MDM) policies from being resolved on Enterprise editions of Windows that were upgraded to Enterprise with an Azure AD Join subscription.
  • Fixes an issue where video subtitles could be partially cut off.
  • Fixed an issue with incorrect alignment of video subtitles.
  • Addresses an issue that causes Kerberos authentication to fail with error “0xc0030009 (RPC_NT_NULL_REF_POINTER)”. This occurs when a client computer tries to use Remote Desktop Protocol (RDP) to connect to another computer while Remote Credential Guard is enabled.
  • Addresses an issue that causes Windows to enter BitLocker recovery mode after a servicing update.
  • Addresses an issue where the Endorsement Key (EK) certificate cannot be retrieved from a TPM device.
  • Fixes an issue that prevents copying the security portion of Group Policy to a computer.
  • Addresses an issue that prevents the Microsoft RDP client control (version 11 and later) from being created in the Microsoft Foundation Class (MFC) dialog box.
  • Displays the temperature at the top of the weather icon on the taskbar.
  • Fixed an issue that prevented you from using the minimize, maximize, and close buttons on a maximized application window. This issue occurs because the Action Center retains input focus.
  • Addresses an issue that may occur when using Netdom.exe or the Active Directory Domains and Trusts snap-in to enumerate or modify name suffix routing. Errors can occur in these procedures. Error message: “Insufficient system resources are available to perform the requested service. This issue occurs after installing the January 2022 security update on a Primary Domain Controller Emulator (PDCe).
  • Addresses an issue that causes the Primary Domain Controller (PDC) of the root domain to generate warning and error events in the Syslog. This issue occurs when the PDC incorrectly tries to view only outgoing claims.
  • Addresses an issue that occurs when you map a network drive to a Server Message Block version 1 (SMBv1) share. After restarting the operating system, you will not be able to access this network drive.
  • Addresses an issue that affects SMB multilink and may result in error 13A or C2.
  • Fixed an issue resulting in pool corruption when the Client Side Cache Cleanup (CSC) method did not delete the created resource.
  • Fixed an issue that could cause the server to crash as the nonpaged pool grows and all memory is used up. After a restart, the same problem recurs when trying to repair the corruption.
  • Reduces resource contention overhead in high input/output operations per second (IOPS) scenarios where multiple threads compete for a single file.

  • Fixes a known issue that could cause the screen to flicker if we started the PC in safe mode. Components that depend on explorer.exe, such as File Explorer, the Start Menu, and the Taskbar, may be affected and become unstable.

Also, how could it be otherwise in the case of Patch Tuesday, this KB5013943 update includes a number of security improvements specified by Microsoft.

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