KB5001649 CU Windows 10 v2004 build 19041.870 and v20H2 19042.870 Win Update

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    KB5001649 CU Windows 10 v2004 build 19041.870 and v20H2 19042.870

    KB5001649 CU Windows 10 v2004 build 19041.870 and v20H2 19042.870

    Out-of-band Optional Cumulative Update - March 18, 2021
    Category: Win Update
    Last Updated: 29 Mar 2021 at 16:49
    UPDATE 3/29: KB5000842 CU Windows 10 v2004 build 19041.906 and v20H2 19042.906


    The KB4562830 Enablement Package allows you to go from build 19041 (v2004) to 19042 (v20H2).



    March 18, 2021 - KB5001649 (OS Builds 19041.870 and 19042.870) Out-of-band


    2/24/21
    IMPORTANT As part of the end of support for Adobe Flash, KB4577586 is now available as an optional update from Windows Update (WU) and Windows Server Update Services (WSUS). Installing KB4577586 will remove Adobe Flash Player permanently from your Windows device. Once installed, you cannot uninstall KB4577586. For more details about Microsoft’s plans, see Update on Adobe Flash Player End of Support.

    11/17/20
    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.
    Note Follow @WindowsUpdate to find out when new content is published to the release information dashboard.

    Highlights

    • Updates an issue that fails to print the graphical content in a document after installing the March 9, 2021 update.

    Improvements and fixes

    Note To view the list of addressed issues, click or tap the OS name to expand the collapsible section.

    Windows 10 servicing stack update - 19041.868 and 19042.868

    • This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

    Windows 10, version 20H2

    This non-security update includes quality improvements. Key changes include:

    • This build includes all the improvements from Windows 10, version 2004.
    • No additional issues were documented for this release.

    Windows 10, version 2004

    This non-security update includes quality improvements. Key changes include:


    If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.

    Windows Update Improvements
    Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 feature update based on device compatibility and Windows Update for Business deferral policy. This doesn't apply to long-term servicing editions.

    Known issues in this update

    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.

    How to get this update

    Before installing this update

    Prerequisite:

    Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). If you encounter the error, 0x800f0823 – CBS_E_NEW_SERVICING_STACK_REQUIRED, close the error message and install the last standalone SSU (KB4598481) before installing this LCU. You will not need to install this SSU (KB4598481) again for future updates.

    For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

    Install this update

    Release Channel Available Next Step
    Windows Update and Microsoft Update Yes Go to Settings > Update & Security > Windows Update. In the Optional updates available area, you’ll find the link to download and install the update.
    Microsoft Update Catalog Yes To get the standalone package for this update, go to the Microsoft Update Catalog website.
    Windows Server Update Services (WSUS) No You can import this update into WSUS manually. See the Microsoft Update Catalog for instructions.

    If you want to remove the LCU

    To remove the LCU after installing the combined SSU and LCU package, use the DISM/Remove-Package command line option with the LCU package name as the argument. You can find the package name by using this command: DISM /online /get-packages.

    Running Windows Update Standalone Installer (wusa.exe) with the /uninstall switch on the combined package will not work because the combined package contains the SSU. You cannot remove the SSU from the system after installation.

    File information

    For a list of the files that are provided in this update, download the file information for cumulative update 5001649.

    For a list of the files that are provided in the servicing stack update, download the file information for the SSU - version 19041.868 and 19042.868.


    Source: https://support.microsoft.com/en-us/...a-2a4c68a6de33

    See also: https://techcommunity.microsoft.com/...ce/ba-p/222376


    Direct download links for KB5001649 MSU file from Microsoft Update Catalog:

    Download KB5001649 MSU for Windows 10 v2004 and v20H2 32-bit (x86) - 152.2 MB

    Download KB5001649 MSU for Windows 10 v2004 and v20H2 64-bit (x64) - 446.5 MB

    Download KB5001649 MSU for Windows 10 v2004 and v20H2 ARM64 - 495.3 MB


    Brink's Avatar Posted By: Brink
    19 Mar 2021

  1. Brink's Avatar
    Posts : 57,056
    64-bit Windows 10 Pro for Workstations build 21382
       #1

    KB5001649 CU Windows 10 v2004 build 19041.870 and v20H2 19042.870-kb5001649.jpg KB5001649 CU Windows 10 v2004 build 19041.870 and v20H2 19042.870-kb5001649_error.jpg
      My Computers

  2. Melchior's Avatar
    Posts : 260
    Windows 10 Pro (x64)(v20H2)(Build 19042.985)
       #2

    hey @Brink
    I am getting an download error message..
    Failed to install on ‎3/‎19/‎2021 - 0x80070541

    Strange because I have never had an issue downloading an update before...
      My Computers

  3. Sumit Dhiman's Avatar
    Posts : 361
    Windows 10
       #3

    Have many reports too with the same code. Likely a server side problem?
      My Computer

  4. kado897's Avatar
    Posts : 40,180
    Windows 10 Home 64bit v20H2 and insider builds
       #4

    Melchior said:
    hey @Brink
    I am getting an download error message..
    Failed to install on ‎3/‎19/‎2021 - 0x80070541

    Strange because I have never had an issue downloading an update before...
      My Computer


  5. Posts : 386
    Windows 10
       #5

    The Standalone link worked. Was stuck at about 10% installed for 10 minutes, then suddenly completed. Asking for a computer restart now.
      My Computer

  6. Scottyboy99's Avatar
    Posts : 2,259
    Windows 10 Pro (64 bit)
       #6

    They need to sort it out so it works through windows update though. 99.9% won’t be able to know about the other method. MS drops the ball yet again !
      My Computer

  7. kado897's Avatar
    Posts : 40,180
    Windows 10 Home 64bit v20H2 and insider builds
       #7

    AllenChicago said:
    The Standalone link worked. Was stuck at about 10% installed for 10 minutes, then suddenly completed. Asking for a computer restart now.
      My Computer


  8. KCR
    Posts : 297
    Windows 10 Home, 64-bit, Version 20H2 (OS Build 19042.985)
       #8

    Scottyboy99 said:
    They need to sort it out so it works through windows update though.

    Yes. . . .

    I wonder what the deal is. . . ? .


    KB5001649 CU Windows 10 v2004 build 19041.870 and v20H2 19042.870-image.png


    That was the third try, also.


    KB5001649 CU Windows 10 v2004 build 19041.870 and v20H2 19042.870-image.png

    .
      My Computer

  9. midgo's Avatar
    Posts : 72
    Windows 10 Pro 20H2 19042.870
       #9

    Scottyboy99 said:
    MS drops the ball yet again !
    WU failed with an error code.
    Standalone installed in a few minutes with no issues now on 870.
    Attached Thumbnails Attached Thumbnails KB5001649 CU Windows 10 v2004 build 19041.870 and v20H2 19042.870-20h2.19042.870.jpg  
      My Computer


 
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