Just over a week ago on Patch Tuesday, KB5001330 was released for the most recent production build of Windows 10, which is version 20H2. If you’re still on Windows 10 version 1909, it’s KB5001337. However it seems that the internet is awash with people having issues with game stutters and performance related issues with these updates.
In our own testing on an Intel Core i9-9900K, 32GB RAM system we were experiencing mouse lag in certain conditions with video playback, and stutter in gameplay through various Steam titles. A quick Google search reveals the extent of the problem.
Even Nvidia suggests uninstalling the KB5001330 update, but as you may or may not know it is near impossible to opt out of updates like these, whenever you uninstall "Quality Updates" the next time you boot, it will be automatically installed again.
However, there is a way. First of all you should download the wushowhide tool that allows you to hide and disable pending Windows updates, it is only available on third party websites because the official Microsoft download link is broken. We have chosen MajorGeeks as a trusted host for the tool, which you can download here. Then you'll need to uninstall the update:
- Go to All settings -> Update & Security -> View update history,
- Click on Uninstall updates, an old fashioned Control Panel will open,
- Find Cumulative Update (KB5001330 or KB5001337), right click on it and select Uninstall,
- Reboot Windows when prompted.
At the first opportunity after rebooting, run the wushowhide tool -> select Next to scan for updates, then click on Hide updates (Windows will not install hidden updates) in the list that appears, find the KB5001330 or KB5001337 update and select it, then click Next, after that you can close the tool.
Now Windows will be blocked from installing that update until you run the wushowhide tool again and select the other option to "Show hidden updates" and deselect the KB5001330 or KB5001337 update, after which it will present itself in Windows Update again.
Hopefully, Microsoft will simply offer a new update to solve the issues that are present in this buggy Patch Tuesday one, if Nvidia is already suggesting to uninstall the update we can only assume that Microsoft is fully aware of the problem and will address it in due course.
Update April 26: Microsoft has now issued an emergency fix for this problem, so if you want to have the fix applied the official way, reverse the steps by running the wushowhide tool > Show hidden updates and selecting KB5001330 so it becomes available again, then run Windows Update to install it, reboot and hope the KIR gets applied to your system.
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