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  • Win10 1809 second February cumulative update, KB 4482887, blamed for “crazy” performance drops in some games

    Posted on March 6th, 2019 at 06:21 woody Comment on the AskWoody Lounge

    Microsoft hasn’t acknowledged the bug yet, but it looks like the second February cumulative update (the “optional, non-security update”) for Win10 version 1809, released on March 1, is clobbering some games.

    Tom Warren at The Verge tweets:

    In the discussion attached to that tweet, @adamlunn points to two Reddit threads:

    One from jlobue101 says that the “severe performance issues” are with Destiny 2. “The issue is not exclusive to NVIDIA GPUs, as there are now reports of systems with AMD GPUs also being affected.”

    One has a comment from rayw_reddit that says “This patch is causing massive lag spikes in older games, like CoD4 and CoD MW2. Right after installing this update, I launch any of the two aforementioned games, moving the mouse around (yes, mouse movement) causes the game to freeze in 1 second intervals every time. If you don’t move the mouse, game appears fine. Does not affect the modern titles I’ve tested: Battlefield V”

    Is the problem confined to games? Highly unlikely, in my experience. It’s just that gamers notice bugs sooner than most of us.

    Moral of the story: Don’t go clicking Check for updates! That’s the only way you’re gonna get this “optional non-security” cumulative update.

    Man, and I had hoped that the extended 1809 testing rounds would catch this kind of junk.

    UPDATE: Microsoft finally acknowledged the problem on Wednesday:

    After installing KB4482887, users may notice graphics and mouse performance degradation with desktop gaming when playing certain games (eg: Destiny 2).

    Microsoft is working on a resolution and will provide an update in an upcoming release.

    As a short-term resolution, users can uninstall KB4482887 to regain performance.