Windows 10 KB5034441 security update fails with 0x80070643 errors

Windows 10 KB5034441 security update fails with 0x80070643 errors

January 10, 2024 at 11:56AM

Windows 10 users faced difficulties while installing Microsoft’s January Patch Tuesday updates, encountering 0x80070643 errors for the KB5034441 security update for BitLocker. The update installation fails, displaying a Windows Update error message and may lead to insufficient space errors. Microsoft suggests creating a larger Windows Recovery Partition, although this solution may not be effective for all users.

Based on the meeting notes provided, it seems that Windows 10 users worldwide are encountering errors when attempting to install Microsoft’s January Patch Tuesday updates, specifically the KB5034441 security update for BitLocker. The error code 0x80070643 is reported along with installation failures, and some users are facing issues due to an insufficiently sized Windows Recovery Environment (WinRE) partition.

Microsoft has acknowledged the issue and recommends creating a larger Windows Recovery Partition to accommodate the security update installation. The current solution involves shrinking the C: partition by 250 MB and creating a new Recovery Partition using command line utilities reagentc.exe and diskpart.exe. However, there is a warning about potential data loss and the need to back up data before proceeding with these steps.

Additionally, it’s mentioned that despite a larger 1 GB Windows RE partition, the update failed for a Windows 10 user, casting doubt on the effectiveness of these steps. Therefore, users are advised to wait for a potential automated solution from Microsoft in the future.

In summary, the meeting notes provide information on the installation issues, Microsoft’s recommended solution, and potential risks associated with implementing the proposed steps, as well as the user’s feedback on the effectiveness of the solution.

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