KB5001330 Windows Update is reportedly causing performance drop in games, failed installs and bootloops

Microsoft released the KB5001330 Windows Update this Tuesday, which brought many security fixes. Unfortunately it also seems to have introduced some issues, at least on some devices.

KB5001330 Windows Update is reportedly causing performance drop in games, failed installs and bootloops
A handful of users on reddit have reported that the latest update causes performance drops in games. The troubles first surfaced in KB5000842, and has since reemerged in the latest patch. Well, you may say that Microsoft hasn’t fixed it yet.

The primary issue appears to be frame drops in games, and this appears to be related to the VSync setting. Other issues reported by users include lag spikes, i.e., a sudden massive slowdown or stutter that happens for a few seconds.

I’m familiar with the problem that the users are reporting, as I experienced a similar issue on this computer last year (especially in Rise of the Tomb Raider and Assassin’s Creed Origins). The lags were caused by the Nvidia 451.67 game ready driver, and this was delivered through Windows Update. I had to revert to an older video driver to fix the annoyances, so you could try a similar solution if you have such lags.

I wanted to check if I experience similar issues with the latest patch,  so I tested the KB5001330 update with my GTX 1650, and had no such troubles. Based on the comments from users, it is possible that the issue only affects newer GPUs like the NVidia 2000, 3000 and AMD R5 series. The thread also suggests an easy fix for the issue, you just have to uninstall the update. You can do so from the Settings > Update & Security > View Update History page.

So, if you’re a gamer and are experiencing poor performance, low frame rates in games that used to run flawlessly until a few days ago, it is likely that the KB5001330 Windows Update could be the culprit. Once you have gotten rid of it, your games should work as normal.

Digging deeper, I noticed that this wasn’t the only issue reported by users. Members at the Microsoft Community forums have stated that they have encountered issues with the KB5001330 Windows Update failing to install. The error code for this is 0x800f0984. Some groups say they got a different error, with the code 0x800f081f. This specific issue is related to Windows Update being unable to fetch the patch from Microsoft’s servers.

If Windows Update says that it cannot download the patches, the solution that has been recommended by a Microsoft moderator is to reset WSUS (Windows Update Service and Agent). Some users say they encountered a problem that is more serious, as they were greeted by bootloops with the stop code 0xc000021a after installing the update. A couple of others seem to have experienced screen flickering that happens when resizing Chrome or Edge windows.

Reference links: 1, 2

If you haven’t updated to KB5001330 yet, and want to avoid this particular patch, you can pause Windows Updates for a week or two. I usually create a restore point before installing major updates just to be on the safer side, maybe that is something that you could find helpful.

Have you experienced problems with the KB5001330 update? Share your experience and fixes with other users.

Thank you for being a Ghacks reader. The post KB5001330 Windows Update is reportedly causing performance drop in games, failed installs and bootloops appeared first on gHacks Technology News.

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