KB4512941 for Windows 10 version 1903

Martin Brinkmann
Aug 31, 2019
Windows, Windows 10, Windows Updates
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30

The second cumulative patch for the current version of Windows 10, in this case Windows 10 version 1903, is always late to the party. Microsoft released updates for earlier versions of Windows 10 that it still supports about two weeks ago -- KB4512534 for Windows 10 version 1809 -- to fix a huge number of issues including the Visual Basic issue that was introduced on the August 2019 Patch Day.

The update KB4512941 for Windows 10 version 1903 and Windows Server version 1903 is available via Windows Update, Microsoft Update, the Microsoft Update Catalog, and Windows Server Update Services.

The update fixes the Visual Basic issue, the long-standing Preboot Execution Environment issue, the Sandbox startup issue, and the issue that caused devices from starting up under certain circumstances if configured to use MIT Kerberos realms.

KB4512941 for Windows 10 version 1903

KB4512941 windows 10 1903

The following issues are fixed in the update:

  • Fixed a black screen issue when using Remote Desktop to connect to a PC running Windows 10 version 1903.
  • Fixed a Windows Sandbox start up issue that threw the error "ERROR_FILE_NOT_FOUND (0x80070002)".
  • Number of supported interrupts increased to 512 on devices with x2APIC enabled.
  • Fixed a Trusted Platform Module issue that prevented some devices from being used for Next Generation Credentials.
  • Fixed an issue that caused workstations to stop working when signing in using an updated user prinicipal name.
  • Fixed a Windows Defender Advanced Threat Protection issue that prevented it from collecting forensic data when Registry-based proxy configurations were used.
  • Fixed a Windows Defender Advanced Threat Protection compatibility issue.
  • Fixed a rare issue that affected the driver mssecflt.sys which caused the error message STOP 0x7F: UNEXPECTED_KERNEL_MODE_TRAP.
  • Fixed an issue that could lead to excessive memory usage in Windows Defender Advanced Threat Protection.
  • Detection accuracy of Microsoft Defender ATP Threat & Vulnerability Management.
  • Addressed an issue that prevented the loading of third-party binaries from Universal Windows Platform applications.
  • Fixed an issue that caused devices to have truncated device names when names were assigned to the devices automatically using Autopilot provisioning.
  • Fixed an issue that caused the production description of Windows Server 2019 to be incorrect when using slmgr /dlv.
  • Fixed a reporting issue in Windows Management Instrumentation.
  • Fixed a compound documents copying and pasting issue between applications that hosts the RichEdit control and other apps.
  • Fixed an issue that prevent some games from using Spatial Audio capabilities.
  • Fixed an issue that caused the cursor not to appear when selecting elements using touch.
  • Fixed an issue that caused the names of unsupported applications to appear in Start with default text, ms-resource:AppName/Text, after upgrading.
  • Fixed an issue that prevented the PIN prompt to appear in Internet Explorer.
  • Fixed a DRM files download issue in IE and Microsoft Edge.
  • Improved compatibility and user experience of certain Win32 apps so that they work with Windows Mixed Reality.
  • Addressed an issue with LdapPermissiveModify  requests.
  • Fixed the Preboot Execution Environment issue.
  • Fixed the MIT Kerberos issue.
  • Fixed the Visual Basic issue.

Microsoft lists no known issue on the update page. Günter Born discovered an issue that causes high CPU load. You can check out his analysis and workaround here.

Now You: Have you installed the update?

Summary
KB4512941 for Windows 10 version 1903
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KB4512941 for Windows 10 version 1903
Description
Microsoft released the update KB4512941 for Windows 10 version 1903 and Windows Server version 1903 on August 30, 2019.
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Comments

  1. Dan Donx said on January 15, 2023 at 10:29 am
    Reply

    What mental age of reader are you targeting with the first sentence? 10?

    Why not write an article on how to *avoid* upgrading from W10 to W11. Analogous to those like me who avoided upgrading from 7 to 10 for as long as possible.

    If your paymaster Microsoft permits it, of course.

  2. Dexter said on January 15, 2023 at 11:14 am
    Reply

    5. Rufus
    6. Ventoy

    PS. I hate reading these “SEO optimized” articles.

    1. cdr said on January 15, 2023 at 3:32 pm
      Reply

      I used Rufus to create an installer for a 6th gen intel i5 that had MBR. It upgraded using Setup. No issues except for Win 11 always prompting me to replace my local account. Still using Win 10 Pro on all my other PCs to avoid the bullying.

  3. sv said on January 15, 2023 at 6:40 pm
    Reply

    bit pointless to upgrade for the sake of upgrading as you never know when you’ll get locked out because ms might suddenly not provide updates to unsupported systems.

    ps…. time travelling?
    written. Jan 15, 2023
    Updated • Jan 13, 2023

    1. Martin Brinkmann said on January 16, 2023 at 5:49 am
      Reply

      This happens when you schedule a post in WordPress and update it before setting the publication date.

  4. Anonymous said on January 16, 2023 at 8:24 am
    Reply

    Anyone willing to downgrade to this awful OS must like inflicting themselves with harm.

  5. basingstoke said on January 16, 2023 at 11:18 am
    Reply

    I have become convinced now that anybody who has no qualms with using Windows 11/10 must fit into one of the following brackets:

    1) Too young to remember a time before W10 and W11 (doesn’t know better)

    2) Wants to play the latest games on their PC above anything else (or deeply needs some software which already dropped W7 support)

    3) Doesn’t know too much about how computers work, worried that they’d be absolutely lost and in trouble without the “”latest security””

    4) Microsoft apologist that tries to justify that the latest “features” and “changes” are actually a good thing, that improve Windows

    5) Uses their computer to do a bare minimum of like 3 different things, browse web, check emails, etc, so really doesn’t fuss

    Obviously that doesn’t cover everyone, there’s also the category that:

    6) Actually liked W7 more than 10, and held out as long as possible before switching, begrudgingly uses 10 now

    Have I missed any group off this list?

    1. Heinz Strunk said on September 19, 2023 at 3:57 pm
      Reply

      You have missed in this group just about any professional user that uses business software like CAD programs or ERP Programs which are 99% of all professional users from this list.

      Linux doesn’t help anyone who is not a linux kid and apple is just a fancy facebook machine.

  6. ilev said on August 24, 2023 at 7:34 pm
    Reply

    Microsoft has removed KB5029351 update

    1. EP said on August 24, 2023 at 9:21 pm
      Reply

      only from windows update though
      KB5029351 is still available from the ms update catalog site

  7. Anonymous said on August 24, 2023 at 11:05 pm
    Reply

    1. This update is labaled as PREVIEW if it causes issues to unintelligent people, then they shouldn’t have allowed Preview updates ot install.

    2. I have installed it in a 11 years old computer, and no problems at all.

    3. Making a big drama over a bluescreen for an updated labeled as preview is ridiculous.

    This is probably another BS internet drama where people ran programs and scripts that modified the registry until they broke Windows, just for removing stuff that they weren’t even using just for the sake of it.
    Maybe people should stop playing geeks and actually either use Windows 10 or Windows 11, but don’t try to modify things just for the sake of it.

    Sometimes removing or stopping things (like defender is a perfect example) only need intelligence, not scripts or 3rd party programs that might mess with windows.

  8. john said on August 24, 2023 at 11:17 pm
    Reply

    Windows 11 was a pointless release, it was just created because some of the Windows team wanted to boost sales with some sort of new and improved Windows 10. Instead, Microsoft cannot support one version well let alone two.

    1. John G. said on August 25, 2023 at 12:08 pm
      Reply

      Windows 11 is the worst ugly shame by Microsoft ever. They should release with every new W11 version a complete free version of Starallback inside just to make this sh** OS functionally again.

  9. EP said on August 25, 2023 at 3:10 pm
    Reply

    motherboard maker MSI has recently released a statement regarding the “unsupported processor” blue screen error for their boards using Intel 600/700 series chipsets & to avoid the KB5029351 Win11 update:
    https://www.msi.com/news/detail/MSI-On–UNSUPPORTED-PROCESSOR–Error-Message-of-Windows-11-Update-KB5029351-Preview-142215

  10. EP said on August 29, 2023 at 7:32 pm
    Reply

    check out the following recent articles:

    Neowin – Microsoft puts little blame on its Windows update after UNSUPPORTED PROCESSOR BSOD bug:
    https://www.neowin.net/news/microsoft-puts-little-blame-on-its-windows-update-after-unsupported-processor-bsod-bug/

    BleepingComputer – Microsoft blames ‘unsupported processor’ blue screens on OEM vendors:
    https://www.bleepingcomputer.com/news/microsoft/microsoft-blames-unsupported-processor-blue-screens-on-oem-vendors/

  11. Leonard Britvolli said on August 30, 2023 at 10:33 pm
    Reply

    While there may be changes or updates to the Windows 10 Store for Business and Education in the future, it is premature to conclude that it will be discontinued based solely on rumors.

  12. sembrador said on September 5, 2023 at 9:32 pm
    Reply

    My advice, I left win 15 years ago. Now I’m a happy linux user (linuxmint) but there is Centos, Fedora, Ubuntu depending on your needs.

  13. EP said on September 6, 2023 at 11:55 am
    Reply

    motherboard maker MSI has recently released new BIOS/firmware updates for their Intel 600 & 700 series motherboards to fix the “UNSUPPORTED_PROCESSOR” problem (Sept. 6):

    https://www.msi.com/news/detail/Updated-BIOS-fixes-Error-Message–UNSUPPORTED-PROCESSOR–caused-BSOD-on-MSI-s-Intel-700-and-600-Series-Motherboards-142277

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