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 ...
Bleeping Computer

Fake IT support sites push malicious PowerShell scripts as Windows fixes

Fake IT support sites promote malicious PowerShell "fixes" for common Windows errors, like the 0x80070643 error, to infect devices with information-stealing malware. First discovered by eSentire's ...
Neowin

Windows 10 Update error 0x80070643? Pretend it is not there, says Microsoft0 0

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 ...
ExtremeTech

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

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Ars Technica

Windows 10 failed to install an update - Error 0x80070643

The RE is just the thing that runs "automatic repair" or lets you run System Restore or bring up a command prompt to perform repairs when Windows won't boot. If an OEM or you had created a non-default ...