Are you encountering install error 0x80070643 while trying to update Windows 10 (versions 21H2 or 22H2)? This issue is commonly associated with Windows Recovery Environment (WinRE) updates, particularly KB5034441. Follow these steps to resolve it:
1. Resize the Windows Recovery (WinRE) Partition
The update may fail if your recovery partition does not have enough space. You can manually resize it using the following steps:
– Open Command Prompt as Administrator.
– Run the following command to check the WinRE status:
reagentc /info
– If enabled, disable it temporarily using:
reagentc /disable
– Use a partition manager (such as Disk Management or a third-party tool) to extend the recovery partition.
– Re-enable WinRE using:
reagentc /enable
– Restart your computer and try the update again.
2. Run Windows Update Troubleshooter
If the issue persists, try using the built-in Windows Update Troubleshooter:
– Open Settings > Update & Security > Troubleshoot.
– Select Additional troubleshooters and run the Windows Update Troubleshooter.
3. Manually Install the Update
If Windows Update fails, download and install the update manually:
– Visit the Microsoft Update Catalog.
– Search for KB5034441 and download the appropriate version for your system.
– Run the downloaded file to install the update manually.
4. Reset Windows Update Components
If the update is still failing, try resetting Windows Update components:
– Open Command Prompt as Administrator and run these commands:
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
5. Restart and Try Again
After performing these steps, restart your PC and check if the update installs successfully.
By following these steps, you should be able to resolve install error 0x80070643 and complete the Windows 10 update.
For more “Windows 10” solutions, please check our Windows 10.
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