How to Fix Windows 10 Update Error 0x80070643 (KB5034441)

Are you encountering error 0x80070643 while trying to install the 2024-01 Security Update for Windows 10 Version 22H2 (KB5034441)? This issue is often related to insufficient space in the Windows Recovery Environment (WinRE) partition. Follow these steps to resolve it:

1. Check if Your System is Affected
This error primarily affects devices attempting to install KB5034441, which updates the Windows Recovery Environment (WinRE). Microsoft requires at least 250MB of free space in the recovery partition for this update.

2. Increase the Size of the WinRE Partition
Manually resizing the recovery partition may fix the issue:
– Follow Microsoft’s official guide: Instructions to manually resize the WinRE partition.

3. Use Microsoft’s Official Script to Resize WinRE
If you prefer automation, Microsoft has provided a script to adjust partition size:
– Open PowerShell as Administrator.
– Run the command:
set-executionpolicy remotesigned
– Select Yes to All when prompted.

4. Download and Run the Script
– Download the script from this Microsoft-provided link.
– Create two new folders on your C drive: C:1 and C:2.
– Move the downloaded script file into C:1.
– In PowerShell, navigate to the folder:
cd C:1
– Run the script:
.1.ps1
– Press Y to confirm and execute the script.

5. Manually Install the Update
If the issue persists, try manually downloading and installing the update:
– Go to the Microsoft Update Catalog.
– Search for KB5034441 and download the correct version for your system.
– Run the downloaded file to install the update.

6. Reset Windows Update Components
If Windows Update continues to fail:
– Open Command Prompt as Administrator and enter:
net stop wuauserv
net stop cryptSvc
net stop bits
net stop msiserver
ren C:WindowsSoftwareDistribution SoftwareDistribution.old
ren C:WindowsSystem32catroot2 catroot2.old
net start wuauserv
net start cryptSvc
net start bits
net start msiserver
– Restart your PC and attempt the update again.

Following these steps should resolve error 0x80070643 and allow you to complete the Windows 10 update.

For more “Windows 10” solutions, please check our Windows 10.