QueryPerformanceFrequency (QPC) is 10 mhz since windows 10 1809.

It's locked on 10mhz instead of ~3mhz like it used to be on 1803 and below, it's harmful for mouse responsiveness especially in esport games titles.
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Hi Straszy. I'm Greg, an installation specialist, 10 year Windows MVP, and Volunteer Moderator here to help you.

There is more about this possible bug here:
https://www.overclockers.at/number-crunching/th...
https://social.msdn.microsoft.com/Forums/en-US/...
https://news.ycombinator.com/item?id=18647287
https://docs.microsoft.com/en-us/windows/win32/...
https://twitter.com/brucedawson0xb/status/11244...

If you want to report this to Microsoft use the Feedback Hub app in Start Menu where developers are tasked to process consumer feedback. They will not even see it here. This is a tech forums staffed mostly by volunteers trying to help others with your problems.

If you want to post back a Share link from your Feedback here others who see this thread can vote it up and add to it. If you are an Insider I can also vote it up with my MVP badge and track the issue for you.

I hope this helps. Feel free to ask back any questions and keep me posted. I will keep working with you until it's resolved.

________________________________________________________

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Last updated July 16, 2021 Views 5,306 Applies to: