WinRE Update Error 0x80070643 on Windows 10 devices is one of the Windows Recovery Environment (WinRE) update errors. It happens generally when there is not enough space in the recovery partition, or the recovery partition is incorrectly configured to not allow security or feature updates to install. Fixes can include the resizing of the recovery partition, system file repair or running Windows Update Troubleshooter.
The 0x80070643 WinRE Update Error on Windows 10 devices typically occurs during system or security updates involving Windows Recovery Environment (WinRE). It may result from corrupted system files, disabled WinRE, or issues with update components. Running the Update Troubleshooter or enabling WinRE using Command Prompt can help resolve it.
