The frame rate issue.

[Nozomitojo]

Hello,

Which antivirus software are you using? Please show us some images of the performance improvement fix, according to the manual/this forum.

Thank you for helping me find the source of the problem. I used Bitdefender for a long time and changed to Kaspersky this year. Everything was fine under the Windows 10. Last week, I upgraded to Windows 11, and this problem appeared. 

I tried adding to the exclusion list, the issue persists. But, after exiting Kaspersky, the FPS has returned to normal.    Love you so much!