Easy Anti Cheat crash

Hi there, 

Which games are you having this issue with? 

Ive been losing my mind over this same issue EA_cuervo​. This has been happening in Apex Legends on Steam for the past few weeks. Just CTD's all the time when playing at random times. Same exact error in my Event Viewer and it looks like the Driver for Easy Anti Cheat is the issue. Here's my output from running the "fsutil bypassIo state c:\" command: 

C:\Windows\System32>fsutil bypassIo state c:\
BypassIo on "c:\" is not currently supported
    Status:  506 (At least one minifilter does not support bypass IO)
    Driver:  EasyAntiCheat_EOSSys
    Reason:  The specified minifilter does not support bypass IO.
    Storage Type:   NVMe
    Storage Driver: Not BypassIo Compatible

Would also really love some solution to this. 

It's early days,  but I think I am able to share a potential resolution that may help other users.

I am an IT Field Engineer, and also run the Youtube Channel -

https://youtube.com/@nextlevelsimgaming?si=xdBPGa56P-Fc7GnH

As stated, the issue is that Easy Anti Cheat shows that File Filter does not support Bypass IO, this is a widespread issue that is affecting a number of Core Ultra 9 owners, largely due to the new architecture of the processor, but also other users in general, the issue is that the NVME driver is not correctly filtering the ByPass IO feature, which is a Windows 11 feature, and detailed here - 

https://learn.microsoft.com/en-us/windows-hardware/drivers/ifs/bypassio

Suggested fixes show that disabling Core Isolation, and Virtualisation, and being on the latest Windows 24H2 should mitigate this issue, this is not however correct for Intel.

First of all, I completely uninstalled EasyAntiCheat.

On my system for example, I have 4 Nvme drives, all are Bypass IO compatible, so the initial error did not make sense to me, upon investigation of the filter drivers, the Intel RST driver relies on Virtualisation and Hyper V to run correctly

C:\Windows\System32>fsutil bypassIo state C:\
BypassIo on "C:\" is currently supported
    Storage Type:   NVMe
    Storage Driver: BypassIo compatible

I set the following elevated commands to activate Hyper V, and also Credential Guard, also activated Intel Virtualization, Core Isolation is still disabled

DISM /Online /Enable-Feature /All /FeatureName:Microsoft-Hyper-V reg add

HKLM\SYSTEM\CurrentControlSet\Control\DeviceGuard /t REG_DWORD /v

EnableVirtualizationBasedSecurity /d 1 /f reg add

HKLM\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\CredentialGuard /t

REG_DWORD /v Enabled /d 1 /f reg add

HKLM\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\HypervisorEnforcedCodeIntegrity /t REG_DWORD /v Enabled /d 1 /f reg add 

HKLM\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\KeyGuard\Status /t

REG_DWORD /v CredGuardEnabled /d 1 /f reg add

HKLM\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\KeyGuard\Status /t

REG_DWORD /v KeyGuardEnabled /d 1 /f

I also in BIOS disabled AMI Native NVME Driver Support
I then reinstalled EasyAntiCheat from drive H from the iRacing EAC folder
Previously the game would crash within minutes, however now, I have played successfully and have had no Events relating to the issue recently.

It has not helped, unfortunately. And I have an AMD CPU.