Windows 10: Cumulative updates April 2021

Discus and support Cumulative updates April 2021 in Windows 10 Installation and Upgrade to solve the problem; This is a summary of the cumulative updates released on April 13th for all the supported consumer releases of Windows 10. Windows 10 version 2004... Discussion in 'Windows 10 Installation and Upgrade' started by Sumit Volunteer Moderator, Apr 13, 2021.

  1. Cumulative updates April 2021


    This is a summary of the cumulative updates released on April 13th for all the supported consumer releases of Windows 10.


    1. Windows 10 version 2004 and version 20H2 - KB5001330, Build 19041.928 and 19042.928


    2. Windows 10 versions 1909 - KB5001337, Build 18363.1500


    For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. To view other notes and messages, see the Windows 10, version 2004 update history home page.



    NEW 4/13/21
    REMINDER
    Microsoft removed the Microsoft Edge Legacy desktop application that is out of support in March 2021. In this April 13, 2021 release, we will install the new Microsoft Edge. For more information, see New Microsoft Edge to replace Microsoft Edge Legacy with April’s Windows 10 Update Tuesday release.



    Windows 10 release dashboard

    https://docs.microsoft.com/en-us/windows/release-health/



    Windows 10 update history

    https://support.microsoft.com/en-us...-history-7dd3071a-3906-fa2c-c342-f7f86728a6e3



    Windows 10 Lifecycle FAQ

    Lifecycle FAQ - Windows - Microsoft Lifecycle Microsoft Docs


    Windows 10 message center

    https://docs.microsoft.com/en-us/windows/release-information/windows-message-center#407


    Known issues with KB5001330 and KB5001337


    Symptom


    Workaround


    System and user certificates might be lost when updating a device from Windows 10, version 1809 or later to a later version of Windows 10. Devices will only be impacted if they have already installed any Latest cumulative update LCU released September 16, 2020 or later and then proceed to update to a later version of Windows 10 from media or an installation source which does not have an LCU released October 13, 2020 or later integrated. This primarily happens when managed devices are updated using outdated bundles or media through an update management tool such as Windows Server Update Services WSUS or Microsoft Endpoint Configuration Manager. This might also happen when using outdated physical media or ISO images that do not have the latest updates integrated.

    Note Devices using Windows Update for Business or that connect directly to Windows Update are not impacted. Any device connecting to Windows Update should always receive the latest versions of the feature update, including the latest LCU, without any extra steps.


    If you have already encountered this issue on your device, you can mitigate it within the uninstall window by going back to your previous version of Windows using the instructions here. The uninstall window might be 10 or 30 days depending on the configuration of your environment and the version you’re updating to. You will then need to update to the later version of Windows 10 after the issue is resolved in your environment. Note Within the uninstall window, you can increase the number of days you have to go back to your previous version of Windows 10 by using the DISM command /Set-OSUninstallWindow. You must make this change before the default uninstall window has lapsed. For more information, see DISM operating system uninstall command-line options.

    We are working on a resolution and will provide updated bundles and refreshed media in the coming weeks.


    When using the Microsoft Japanese Input Method Editor IME to enter Kanji characters in an app that automatically allows the input of Furigana characters, you might not get the correct Furigana characters. You might need to enter the Furigana characters manually.

    Note The affected apps are using the ImmGetCompositionString function.


    We are working on a resolution and will provide an update in an upcoming release.


    Devices with Windows installations created from custom offline media or custom ISO image might have Microsoft Edge Legacy removed by this update, but not automatically replaced by the new Microsoft Edge. This issue is only encountered when custom offline media or ISO images are created by slipstreaming this update into the image without having first installed the standalone servicing stack update SSU released March 29, 2021 or later.

    Note Devices that connect directly to Windows Update to receive updates are not affected. This includes devices using Windows Update for Business. Any device connecting to Windows Update should always receive the latest versions of the SSU and latest cumulative update LCU without any extra steps.


    To avoid this issue, be sure to first slipstream the SSU released March 29, 2021 or later into the custom offline media or ISO image before slipstreaming the LCU. To do this with the combined SSU and LCU packages now used for Windows 10, version 20H2 and Windows 10, version 2004, you will need to extract the SSU from the combined package. Use the following steps to extract the using SSU:



    1. Extract the cab from the msu via this command line using the package for KB5000842 as an example: expand Windows10.0-KB5000842-x64.msu /f:Windows10.0-KB5000842-x64.cab <destination path>


    2. Extract the SSU from the previously extracted cab via this command line: expand Windows10.0-KB5000842-x64.cab /f:* <destination path>


    3. You will then have the SSU cab, in this example named SSU-19041.903-x64.cab. Slipstream this file into your offline image first, then the LCU.


    If you have already encountered this issue by installing the OS using affected custom media, you can mitigate it by directly installing the new Microsoft Edge. If you need to broadly deploy the new Microsoft Edge for business, see Download and deploy Microsoft Edge for business




    Follow @WindowsUpdate to find out when new content is published to the release information dashboard.


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    :)
     
    Sumit Volunteer Moderator, Apr 13, 2021
    #1
  2. Tenforo Active Member

    Windows 10 Cumulative Updates failing to install since April

    The last successful Windows 10 Cumulative Update was in March (KB4551762). Since then, every single update has failed to install:

    20th June

    2020-06 Cumulative Update for Windows 10 version 1909 for x64-based Systems (KB4560960)

    FAILED: 0x800f0988

    9th June

    2020-05 Cumulative Update for Windows 10 version 1909 for x64-based Systems (KB4556799)

    FAILED: 0x800f0988

    8th May

    2020-04 Cumulative Update for Windows 10 version 1909 for x64-based Systems (KB4549951)

    FAILED: 0x800f0986

    24th April

    2020-04 Cumulative Update for Windows 10 version 1909 for x64-based Systems (KB4549951)

    FAILED: 0x8024000b

    23rd April

    2020-04 Cumulative Update for Windows 10 version 1909 for x64-based Systems (KB4550945)

    FAILED: 0x800f0988

    2nd April

    2020-03 Cumulative Update for Windows 10 version 1909 for x64-based Systems (KB4541335)

    FAILED: 0x800f0986

    Steps I have already taken to resolve the issue:

    • Windows Update Troubleshooter: Did not find any issues;
    • sfc/scannow: Windows Resource Protection: Did not find any integrity violations.
    • DISM /Online /Cleanup-Image /RestoreHealth: The restore operation completed successfully.
    • ‘In-place’ re-installation using Image Creation Tool or ISO file: Does not support Windows Enterprise.
    • Re-installation using standalone Windows Installer MSU file (downloaded from Windows Update Catalogue): Installation failed.
    • deleted all files from C:\WINDOWS\SoftwareDistribution\Download: It did not help.
    • cleaned C:\WINDOWS\SoftwareDistribution\SLS (deleted all sub-folders except those dated 14th March = last successful Windows update): It did not help.
    The laptop in part of a domain and I consider Resetting PC as the last resort.
     
    Tenforo, Apr 13, 2021
    #2
  3. Tenforo Active Member
    Tenforo, Apr 13, 2021
    #2
  4. Tenforo Active Member
    Windows Update Manager not updating

    Available updates:
    · 2021-03 Cumulative Update for Win 10 ver. 20H2 (K8500080) Status: Down loading – 0 %
    · 2021-01 Update for Windows 10 ver. 20H2 (KB4023057) Statue: Pending install

    If you were in this situation, what would you do to get the Update Manager to make these updates?
    • There is 43.8 GB available disk space.
    • Deployment Image Servicing and Management tool completed successfully
    • Windows Resource Protection did not find any integrity violations.
    What do you think is the cause of the problem?
    What steps should be taken to solve the problem?
     
    Tenforo, Apr 13, 2021
    #3
Thema:

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