Cumulative Update KB4489899 Fixes the Windows 10 Performance Degradation Bug

This month’s cumulative update for Windows 10 version 1809 (October 2018 Update) corrects the performance degradation issue which was caused by a previous update.

Windows 10 cumulative update KB4489899 was released this week for devices running version 1809, and it includes several important changes, for example critical security fixes for the operating-system and also the other built-in components.

But for many users, the highlight is a bug fix that addresses the gaming performance degradation experienced after installing the March 1 cumulative update.

As Microsoft explained within the release notes of update KB4482887, after installing this release “users may notice graphics and mouse performance degradation with desktop gaming when playing certain games, for example Destiny 2.”

“Second bug also fixed”

There was no workaround readily available for this bug, therefore it was crucial for Microsoft to ship a fix as soon as possible. And as as it happens, the organization were able to address the issue only a few two weeks after rolling out the update causing it, so users are actually recommended to install KB4489899 to obtain the fix on their devices. The KB4489899 changelog reads:

“Addresses an issue that may degrade graphics and mouse performance with desktop gaming when playing certain games, such as Destiny 2, after installing KB4482887.”

As reported earlier, cumulative update KB4489899 has a number of three different known issues, but none of them of these concerns the performance from the system.

Update KB4489899 also resolves a second problem introduced by one of its predecessors and causing the installation or removal of files using the MSI or MSP format to fail with error 1309.

KB4489899 is provided automatically via Windows Update, and you may determine whether it installed correctly by checking the version of the system. To do this, type winver in the Start menu. The OS build number after installing KB4489899 is 17763.379.

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