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Microsoft’s KB5001716 Update Fails to Install for Some Windows 10 Users, Showing Error 0x80070643

Windows 10 update KB5001716 causes error 0x80070643 during installation. This reissued update conflicts with the October 2023 version.

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A key update for Windows 10, known as KB5001716, aimed at improving Windows Update Service components, has been causing significant issues for users. Attempting to install this update, some have encountered the error code 0x80070643, leaving them unable to successfully apply the update. Microsoft initially issued this update in October 2023 but has since reissued it, leading to installation conflicts for those who had previously installed the October version.

Technical Details of the Update Failure

Upon attempting the installation, rather than receiving a confirmation of success, users are confronted with a message: “There were some problems installing updates, but we’ll try again later. If you keep seeing this and want to search the web or contact support for information, this may help: (0x80070643).” This specific error code and the accompanying message have sparked confusion and frustration among Windows 10 users. Further investigation into the Windows Event Viewer reveals more details, indicating that the failure is directly linked to the KB5001716 update with the error “0x8024200B.” Oddly, this update has been pushed out in March 2024, despite its designation as an October 2023 update, adding to the confusion.

Resolving Installation Issues

To remedy the situation, users on Reddit have embarked on a two-step solution. First, it is recommended to uninstall the earlier version of the KB5001716 update from October 2023. This can be accomplished by navigating to Settings > Apps, and under Apps & features, finding the update, clicking on it, and selecting Uninstall. Following this removal, users are then advised to check for updates again, allowing the reissued KB5001716 update to install correctly without presenting the 0x80070643 error.

This resolution has been confirmed to resolve the error, as users have reported successful installations after following these steps. It underscores the importance of both Microsoft’s responsiveness to update issues and the need for users to actively manage their system updates to maintain operational security and efficiency.

Luke Jones
Luke Jones
Luke has been writing about all things tech for more than five years. He is following Microsoft closely to bring you the latest news about Windows, Office, Azure, Skype, HoloLens and all the rest of their products.