Windows 10 KB5005611 for v21H2 and v21H1

Microsoft has released another update to the Release Preview channel for the Windows insiders, which is KB5005611. This release applies to both Windows 10 versions 21H2 and 21H1. Depending on which version you are on, your computer can update accordingly.

Many improvements have been made to both versions of Windows 10. The same improvements and fixes apply since the same update is applicable to both.

Installing this update with upgrade your Windows 10 v21H2 to build 19044.1263, and v21H1 to build 19043.1263.

However, Microsoft states that not everyone on the Release Preview channel will receive this update on version 21H2 right now, as only the users that shifted from the Beta channel to the Release Preview channel will be receiving this build because their systems did not meet the minimum requirements for Windows 11.

Let us see what KB5005611 offers to insiders.

Fixes and Improvements

Here is a list of the improvements that accompany the update KB5005611:

  • An issue that caused the device’s current UI language to unexpectedly change has been addressed.
  • An issue resulting in the system’s time being incorrect after changes made to the Day-Light Saving Time (DST) have been fixed.
  • An issue that caused the Server Manager application to disappear after using it to remove Hyper-V features on Windows Server 2022 has been fixed.
  • The problem with parsing time formats in the event logs while excluding the milliseconds has been fixed.
  • An issue with the DnsCache has been fixed which caused the CPU utilization to spike to 100 percent.
  • Administrators have now been given the option to reset the zoom level to the default value for HTML dialogue in Microsoft Edge Internet Explorer mode.
  • A problem that stops calls to the Windows Image Acquisition (WIA) minidriver for Windows Portable Devices (WPD) devices that you access using WIAMgr has been fixed.
  • A background issue that resulted in some applications not responding at all has been addressed.
  • An issue with the Microsoft Outlook Add-in resulting in the user being unable to provide input after hitting Reply has been fixed.
  • Failure to maintain the NumLock state after a Fast Startup restart has been fixed.
  • The issue while sharing the screen using Microsoft Teams has been fixed.
  • An issue that may occasionally prevent drawing on the screen using Windows Context::UpdateRgnFromRects from functioning has been addressed.
  • The problem causing distortion in the audio capturing of Cortana has been fixed.
  • The limitation of 25 maximum Traffic Selectors in the Windows native Internet Key Exchange (IKE) client and server has been removed.
  • An issue that fails to display the smart card PIN dialog box when connected to a VPN has been fixed.
  • The problem that causes a memory leak in lsass.exe when the pTokenPrivileges buffer is not released has been addressed.
  • An issue with a Non-Paged Pool (NPP) leak from the UxSF pool tag has been taken care of.
  • An issue preventing the xhunter1.sys driver from loading has been addressed.
  • The problem with Windows not functioning when deploying a Code Integrity policy without user mode rules has been fixed.
  • The performance of MsSense.exe in environments with User Datagram Protocol (UDP) applications requiring high amounts of bandwidth has been improved.
  • The input method editor (IME) mode instability in the RemoteApp scenario has been fixed.
  • The problem with the blurry News and interests icons in some screen resolutions has been fixed.
  • The paged pool memory leak of the registry keys for the Virtual Desktop ID occurring in explorer.exe has been fixed.
  • The issue with the Direct Manipulation causing the LogonUI.exe to stop working has been fixed.
  • The appearance of News and Interests in the context menu even after disabling it has been fixed.
  • An issue that causes the configuration of multiple artifact DB support across datacenters to fail for Security Assertion Markup Language (SAML) artifacts has been addressed.
  • The problem that causes the LsaLookupSids() function to fail has been fixed.
  • An issue that fails to apply the post_logout_redirect_uri= parameter when using an External Claims Provider has been fixed.
  • An issue causing the system to stop responding with a deadlock in the WebDav redirector that occurs when attempting to read a file from the local TfsStore has been addressed.
  • The issue causing a stop error while rebooting the system has been fixed.
  • The issue with Enterprise Mode Site List redirection from Internet Explorer 11 to Microsoft Edge where multiple tabs were unexpectedly opened has been fixed.
  • A hyperlink that may occasionally cause the Input app to stop working when entering fuzzy pinyin content has been removed.
  • The activation issue for the Input application has been addressed.
  • The issue of some applications losing focus when the Taskbar is not at the bottom of the screen has been fixed.
  • An issue that always reports the Update Build Revision (UBR) as zero (0) on a system during enrollment to Mobile Device Management (MDM) service has been addressed.
  • The issue with PropertyGet in JScript9.dll has been fixed.
  • A new Group Policy has been implemented for HKLM\Software\Policies\Microsoft\Windows NT\Printers\PointAndPrint with the value: RestrictDriverInstallationToAdministrators.

These are the total fixes and improvements introduced with KB5005611.

How to install Windows 10 KB5005611

The method to install KB5005611 is the same for both versions 21H2 and 21H1. However, since this is an insider release, it is not yet available for standalone download through Microsoft Update Catalog. Meaning, it can only be installed through Windows Update.

To install this update, you need to be running Windows 10 version 21H2 or 21H1 and subscribed to the Release Preview channel. To check your version of the operating system, type in winver in Run and press Enter.

Once confirmed, navigate to the Settings app and then click Windows Update on the left. Now, click Check for updates. Once the scan is finished, you will be shown KB5005611 to download. Do the need full and begin the installation.

Once done, restart your computer so that the installation may finalize. You can then confirm that the update has been installed successfully through winver.

Rollback/remove 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.

Cleanup after installing Windows Updates

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

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

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Subhan Zafar
Subhan holds a degree in Electrical Engineering and has completed several systems and network certifications including Huwaei, Cisco and Microsoft certs. He mostly researches and writes about the Windows world.

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