Neowin

Windows 10 KB5048239 causes 0x80070643 error but Microsoft already has an official fix0 0

The infamous "0x80070643 - ERROR_INSTALL_FAILURE" issue is back with one of the new Windows 10 updates KB5048239. Thankfully, there is a fix. This past week, alongside the Patch Tuesday updates for ...
Neowin

Windows 10 Update error 0x80070643? Pretend it is not there, says Microsoft

Modern Windows versions receive plenty of updates to keep your PC safe and stable, and with such a complex product, occasional errors and missteps are hardly surprising. Microsoft has plenty of tools ...
Ars Technica

Windows 10 failed to install an update - Error 0x80070643

But, since those instructions are really quite easy to do, why doesn't the Windows Update, or an alternate version of it, DO THE UPDATE in the same way? It's not like there aren't already updates ...
ExtremeTech

Microsoft: Windows 10 April 2025 Update Error 0x80070643 Is Harmless, No Action Needed

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