May Patch Tuesday Update for Windows 10 version 1809 may install itself twice, Microsoft is working on a fix

Microsoft released new Patch Tuesday updates for all supported versions of Windows 10 two days ago, but the company has since acknowledged a new known issue affecting users running Windows 10 version 1809. Indeed, some users on Reddit have complained about receiving the latest cumulative build 17763.503 twice on their PC, and Microsoft has since updated the release notes to explain what’s actually happening.

According to the company, the fact that this cumulative update may install itself twice on select PCs won’t actually prevent the new build to install successfully. It looks like there’s nothing that affected users can do about it, but everything should go back to normal once the patch is finally installed on PCs running Windows 10 version 1809.

In certain situations, installing an update requires multiple download and restart steps. If two intermediate steps of the installation complete successfully, the View your Update history page will report that installation completed successfully twice.

No action is required on your part. The update installation may take longer and may require more than one restart, but will install successfully after all intermediate installation steps have completed.

The software giant added that it’s currently working on “improving this update experience to ensure the Update history correctly reflects the installation of the latest cumulative update (LCU).” If you have yet to install this cumulative update, be aware that it includes a fix for a new critical vulnerability in modern processors called “ZombieLoad”. If exploited, this flaw can leak private information such as your browser history and passwords, but fortunately, Microsoft deployed a fix for all supported versions of Windows 10 with this week’s Patch Tuesday updates.

Thanks for the tip, Liron!

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