Gamers Report Performance Issues After Updating Windows 11 23H2

Key Points
  • The latest Windows 11 update, 23H2, is causing performance issues for gamers, including CPU slowdowns, stuttering, and FPS drops in games.
  • The issues primarily affect AMD Ryzen processors but may also impact Intel's Core chips, and delaying the update or rolling back to a previous version are among the potential workarounds.  
  • Resetting Windows Defender through PowerShell commands, enabling CPU Virtualization in BIOS, and activating Memory Integrity under Core Isolation settings in Windows 23H2 has been suggested as a fix for these performance problems.  
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    Many users who made the leap from Windows 11 22H2 to 23H2 found themselves facing unexpected performance troubles. From random stuttering and FPS drops to texture loading issues. Reddit user BNSoul observed a 5-8% CPU performance reduction and games with random stuttering after the upgrade. Others also reported similar problems, especially with AMD Ryzen processors and Intel Core chips.

    “I could add an endless list of benchmark results here but just lets say it’s always 23H2 5-8% slower in every single one be it single or multi-thread compared to 22H2,”

    It seems that the performance issues are notable in games that were previously running smoothly on Windows 11 22H2.

    The root of the problem might be related to Microsoft Defender, as resetting it through a couple of PowerShell commands seems to have fixed the performance issues for some users. The proposed fix involves resetting Windows Defender through PowerShell commands, rebooting, and enabling CPU Virtualization in BIOS, along with enabling Memory Integrity under the Core Isolation settings in Windows 23H2.

    Windows 11. Credit. Microsoft

    In response to the issues, Microsoft has offered this fix to users experiencing performance degradation. This solution has been confirmed to resolve the CPU slowdowns and restore gaming benchmarks to expected levels compared to Windows 11 22H2. It's essential to note that the problem appears to have affected mainly AMD Ryzen processors, but there have been reports of similar issues with Intel's Core chips.

    So, if you've been facing similar gaming performance issues after updating to Windows 11 23H2, it might be worth giving this fix a try.

    1. Open PowerShell in Admin mode and run the following commands:
    2. Set-ExecutionPolicy Unrestricted
    3. Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage
    4. Reboot your system and ensure that CPU virtualization is enabled in your BIOS settings.
    5. Open the Windows Security app in the Settings menu and make sure that Memory Integrity is enabled under Core Isolation.
    6. Restart your system, and you should hopefully see your CPU performance back to normal!

    It's also worth noting that delaying the update to Windows 11 23H2 if you're still on Windows 11 22H2 could be a good idea, and if the performance issues persist, you can roll back to a previous update to resolve the problems.

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