Windows 10 22h2 security update [KB5034441] fails to install with code: 0x80070643

Anonymous
2024-01-09T19:42:37+00:00

* * Mod note on 1/12/24. * *

Please see: https://www.yourwindowsguide.com/2024/01/fix-error-0x80070643-for-windows-10-kb5034441-update.html 

The latest update downloads and then fails to install.

  • OS Build # 19045.3930.
  • Update Troubleshoot tool repair but it does not help.
  • MS Windows Update Catalog does not have the update.
  • Other updates all went through without any trouble.

This is a brand new update. Is this a known issue? Is there a resolution specific to this update? (Please do not copy and paste standard procedure)

Windows for home | Windows 10 | Windows update

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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  1. Anonymous
    2024-01-11T17:51:16+00:00

    Did the resize and somehow lost the Windows RE location.

    Am unable to set the location of the partition in reagentc.

    screwed

    Edit: I gathered all the changes I made over the past day. Loaded a backup onto another drive. Sorted everything out. Did the resize before doing updates and everything is fine.

    There are a few drives in the system and I wonder if the efi partition was loaded from another drive if that is possible?

    The rest of you good luck

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  2. Anonymous
    2024-01-11T17:53:08+00:00

    Thank you

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  3. Anonymous
    2024-01-11T18:11:16+00:00

    Still can't get it to install. Waiting for a new Microsoft Fix.

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  4. Anonymous
    2024-01-11T18:15:50+00:00

    Just to add thoughts regarding if it is bitlocker related. We are getting the error on Microsoft Surface tablets. We have not enabled bitlocker encryption on our tablets since we found performance issues when doing so.

    So I'm thinking it could be something else?

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  5. Anonymous
    2024-01-11T18:16:31+00:00

    Create a new Recovery partition as per the instructions step 5.

    1. Create a new recovery partition.
      1. First, check if the disk partition style is a GUID Partition Table (GPT) or a Master Boot Record (MBR).  To do that, run list disk. Check if there is an asterisk character (*) in the “Gpt” column.  If there is an asterisk character (*), then the drive is GPT. Otherwise, the drive is MBR.
        1. If your disk is GPT, run create partition primary id=de94bba4-06d1-4d40-a16a-bfd50179d6ac followed by the command gpt attributes =0x8000000000000001
        2. If your disk is MBR, run create partition primary id=27
      2. To format the partition, run format quick fs=ntfs label=”Windows RE tools”
    2. To confirm that the WinRE partition is created, run list vol
    3. To exit from diskpart, run exit
    4. To re-enable WinRE, run reagentc /enable
    5. To confirm where WinRE is installed, run reagentc /info

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