If you’ve noticed that some of your games on Windows 10 have been particularly unresponsive in the last week, you aren’t alone. Microsoft confirmed that a recent Windows 10 update, patch KB4482887, introduced a bug that dramatically increased lag. Don’t sweat it, though. Microsoft has, thankfully, dealt with the issue quickly in a new patch, KB4489899, which reportedly fixes the issue.
According to reports on Reddit and YouTubers like Joker Productions, the patch causes “massive” input lag whenever you use your mouse across games like Apex Legends, Destiny 2 and some older Call of Duty titles. Considering that most of the reportedly affected games are first-person shooters, which require twitch reflexes and very precise mouse action, the issue presumably makes these games nigh unplayable.
The bug does not affect every game, and you’d know if you’ve seen it, so if this is news to you, there’s no cause for alarm. Still, it’s probably a good idea to check that you’re running the most up-to-date version of Windows 10 before you jump into anything.
To check your Windows build, go to “Settings” and click “About.” You’re looking for the “OS Build” number, which will be on the right side of the window. The new OS Build—the one you want to see — is version 17763.379. You should make sure to update if you see any other number; especially OS Build 17763.348, which corresponds to the patch causing the lag.
If your PC hasn’t updated yet or has been set to only update when prompted manually, you can update it by going to “Settings,” then “Update & Security,” followed by “Windows Update.”
Windows should automatically check for updates when you open the menu, but there is also an update button to prompt a search. If you’d prefer to find the update yourself, can also go to the Microsoft Update Catalogue and search for “KB4489899” to download it manually.
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