Windows 10 21H2 Build 19044.1947 (KB5016688) Released With Remote Language Control For Admins

Windows 10 Insider Update GenericWindows 10 Insider Update Generic

Microsoft has published an update on the Release Preview channel for Insiders who are still on Windows 10 version 21H2. Although Microsoft also offers them to switch to the latest version 22H2, but they can opt to remain on the older version if they want to.

That said, Microsoft has now published KB5016688, installing which will upgrade your operating system’s build to 19044.1947 whilst keeping your OS version 21H2. This flight does not include any new features, but some fixes to improve your experience.

One of the major improvements is that Microsoft has added the ability for sysadmins to add and control the language-related features on remote computers using endpoint managers.

Let us see what other improvements and fixes have been introduced before learning how to install the update.

New in KB5016688 (19044.1947)

Below are the new improvements and fixes included in this flight:

  • IT administrators can now remotely add languages and language-related features. Additionally, they can now manage language scenarios across several endpoint managers.
  • Microsoft Defender for Endpoint has been enhanced to identify and intercept ransomware and advanced attacks. 
  • An issue that causes ServerAssignedConfigurations to be null in a few full configuration scenarios has been fixed.
  • An issue that causes Microsoft Edge to stop responding when you use IE mode has been addressed. This issue also prevented you from interacting with a dialog box.
  • An issue that affects transparency in layered windows when you are in High Definition remote applications integrated locally (RAIL) mode has been addressed. 
  • An issue that might generate the error code 0x1E when you shut down or restart a computer has been taken care of. 
  • An issue that causes a subscription activation to fail under certain conditions has been addressed.
  • An issue that might cause some game installations to fail because of a licensing issue has been fixed. 
  • An issue that prevents virtualized App-V Microsoft Office applications from opening or causes them to stop working entirely has been rectified.
  • An issue that might cause the deployment of the Windows Hello for Business certificate to fail in certain circumstances after resetting a device has been fixed. 
  • An issue that degrades BitLocker performance has been taken care of. 
  • An issue that causes the Resultant Set of Policy tool (Rsop.msc) to stop working when it processes 1,000 or more “File System” security settings has been fixed. 
  • An issue that continues to trust a revoked Attestation Identity Key (AIK) certificate and fails to generate a new certificate is fixed. 
  • An issue that causes the Take a Test app to remove all policies related to lockdown enforcement when you close the app is fixed. 
  • An issue that affects the jump list icon colors in the Search app has been addressed.
  • An issue that affects Focus Assist functionality for applications that run in full screen has been fixed. 
  • An issue that prevents devices from receiving an offer from Windows Update for the same extension driver when that extension driver is already installed without the base driver is rectified. 
  • A race condition that causes the Local Security Authority Subsystem Service (LSASS) to stop working on Active Directory domain controllers has been addressed. This issue used to occur when LSASS processes simultaneous Lightweight Directory Access Protocol (LDAP) over Transport Layer Security (TLS) requests that fail to decrypt. The exception code was 0xc0000409 (STATUS_STACK_BUFFER_OVERRUN). 
  • An issue that affects a lookup for a nonexistent security ID (SID) from the local domain using a read-only domain controller (RODC) has been addressed. The lookup unexpectedly returned the STATUS_TRUSTED_DOMAIN_FAILURE error instead of STATUS_NONE_MAPPED or STATUS_SOME_MAPPED. 
  • An issue that might cause cldflt.sys to reference invalid memory in race conditions has been addressed.
  • An issue that affects input and output in the Storport driver and might cause your system to stop responding is rectified.

With these improvements, Microsoft has not disclosed any known issues. However, they did manage to fix one of the previously known issues in this flight.

Let us now move on to show you how to install this Windows 10 update.

How to Install Windows 10 KB5016688 (Build 19044.1947)

To install this update, you need to be running Windows 10 and subscribed to the Release Preview channel. If you have enabled Windows Updates, you will automatically get a “New features are ready to install” prompt.

If not, follow these steps to install this update:

  1. Open the Settings app, and then click Update & Security.

    Windows 10 Update and Security
    Open Update and Security Settings page
  2. On the right side, click Check for updates.

    Check for updates windows 10
    Check for pending updates
  3. The app will then scan for pending updates. When scanned, you will then see the following update downloading and installing automatically:

    2022-08 Cumulative Update Preview for Windows 10 Version 21H2 for x64-based Systems (KB5016688)

    When done, click Restart now to finalize the installation.

    Restart computer 3
    Restart computer

Once the computer reboots, you can check that it has been updated to build 19044.1947 by typing in winver in the Run Command box.

Updated 9
Update installed successfully

Rollback/Uninstall Windows 10 Insider Preview Update

If you do not wish to keep the installed preview update for some reason, you can always roll back to the previous build of the OS. However, this can only be performed within the next 10 days after installing the new update.

To roll back after 10 days, you will need to apply this trick. Note that this needs to be applied before the 10 days are over.

You can also resort to uninstalling the update using the method below.

Uninstall KB5016688 Using Command Prompt

Since we have installed this update using Windows Update, it will not be listed in the list of updates but you can see it in the command line, and thus uninstall it. Here is how:

  1. Launch the Command Prompt with elevated privileges.

  2. Run the following command:

    wmic qfe list brief /format:table
    run cmd
    List installed Windows updates

    This will show all the updates installed on the computer. Make sure that the update(s) you want to uninstall is in this list. 

  3. Now run the following command to uninstall the update:

    wusa /uninstall /kb:5016688
    Uninstall the update
    Uninstall the update
  4. Now click Yes from the popup to confirm the action.

    Confirm uninstallation
    Confirm uninstallation
  5. The update will now begin uninstalling. When it completes, restart the computer for the changes to fully take effect.

Cleanup After Installing Windows Updates

If you want to save space after installing Windows updates, you can run the following commands in Command Prompt:

DISM.exe /Online /Cleanup-Image /AnalyzeComponentStore
DISM.exe /Online /Cleanup-Image /StartComponentCleanup
dism cleanup
DISM cleanup
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