https://errorsdoc.com/windows/fix-window-10-update-installation-error-code-0x80070643/
Fix Windows 10/11 Update Error Code 0x80070643 Installation Failed — ErrorsDoc
Resolve Windows Update error 0x80070643 that prevents updates from installing. Fix with Windows Update troubleshooter, SFC scan, .NET Framework repair, and...
fix windowserror codeupdate0x80070643installation