<ul><li>The Windows Update Install error 0x80070643 mainly appears due to problems with the Windows Recovery Environment partition or corrupted system files.</li><li>To fix the error, you can extend the WinRE Partition, restart the Windows Installer Service, disable the Antivirus Program, or run the Windows Update Troubleshooter.</li><li>If none of these solutions work, you may need to perform a fresh Windows Installation.</li><li>These are the few best ways to fix Windows Update Install error 0x80070643.</li></ul>

Windows Update Install Error 0x80070643: How to Fix it

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