File System Filter EasyAntiCheat_EOSSys` does not support Bypass IO [CRASHING]

Anonymous
2024-12-15T04:10:44+00:00

Hello,

For about a month now, I would have trouble with a game (Fortnite) crashing a steady amount due to the anti cheat Epic Games uses, EasyAntiCheat. When I look in event viewer after a crash, it presents this:

_______________________________________________________________________________________________________________________

Log Name: System

Source: Microsoft-Windows-FilterManager

Date: 12/14/2024 10:05:04 PM

Event ID: 11

Task Category: None

Level: Warning

Keywords:

User: SYSTEM

Computer: DESKTOP-NLJH1M8

Description:

File System Filter 'EasyAntiCheat_EOSSys' (Version 6.1, ‎2024‎-‎11‎-‎27T06:19:31.000000000Z) does not support bypass IO.

Supported features: 0x4.

Event Xml:

11

0

3

0

0

0x8000000000000000

66328

System

DESKTOP-NLJH1M8

EasyAntiCheat\_EOSSys

6

1

2024-11-27T06:19:31.0000000Z

0x4

_______________________________________________________________________________________________________________________

I tried reinstalling the game which didn't work, along with internet research which didn't present many results and no working solutions. I disabled my AV to see if that was the cause as well, but no difference.

At this point I am at my wits' end.

Any solutions or ideas?

All will be greatly appreciated!

Cheers,

PM

Windows for home | Windows 11 | Performance and system failures

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

0 comments

47 answers

Sort by: Most helpful
Most helpful Newest Oldest
  1. Anonymous
    2025-05-09T05:54:55+00:00

    Its not ‘benign’ thats a pretty misleading statement to a problem they are clearly struggling to fix.

    The issue affects the kernel level operation, the nvme driver is not filtering the Bypass IO response EAC is looking for, it forcibly closes the game, and this can do as little as crashing the game, causing the PC to BSOD, alll USB ports crashing etc, certainly not ‘benign’

    Ensure you have the latest redistributables installed, deactivate Core Isolation, and you need to be on Windows 24H2

    https://learn.microsoft.com/en-us/cpp/windows/latest-supported-vc-redist?view=msvc-170

    The fix I mentioned works for me, hopefully it will help you.

    Was this answer helpful?

    1 person found this answer helpful.
    0 comments
  2. Anonymous
    2025-04-16T11:43:25+00:00

    I had to reinstall windows and block at 23H2 ... 24H2 is broken and nobody care about it Microsoft / EasyAntiCheat ... good luck !

    Was this answer helpful?

    1 person found this answer helpful.
    0 comments
  3. Anonymous
    2025-02-22T06:12:51+00:00

    ALSO UPDATE:

    This could be a possible lead, at least for me: https://answers.microsoft.com/en-us/windows/forum/all/kernel-event-tracing-eventid-2-session-dc3a3596/7ad77806-1477-4c97-b9aa-160eee64b25d?page=1

    This thread talks about how error, "Session "dc3a3596-71e1-45a3-b2ea-39ad5322fe51" failed to start with the following error: 0xC0000022" in the "Microsoft-Windows-Kernel-EventTracing/Admin" folder in Event Viewer, pretty much correllates with much of the same issues arrising in this thread. I recommend taking a gander.

    -PM

    Was this answer helpful?

    1 person found this answer helpful.
    0 comments
  4. Anonymous
    2025-02-11T02:15:43+00:00

    Same issue with New World on steam for over a year now. Upgraded from windows 10 to 11 same issues. Uninstall and re-installed easy anti-cheat. Deleted and re-installed the entire game. No anti-virus running not even defender and it still happens. None of the fixes in this thread have had any success.

    Microsoft Windows 11 Pro

    Version 10.0.22631 Build 22631

    Processor AMD Ryzen 9 5900X 12-Core Processor, 3701 Mhz, 12 Core(s), 24 Logical Processor(s)

    BIOS UEFI

    File System Filter 'EasyAntiCheat_EOSSys' (Version 6.1, ‎2025‎-‎01‎-‎17T05:55:33.000000000Z) does not support bypass IO.

    Supported features: 0x4.

    EventData

    DeviceName EasyAntiCheat_EOSSys

    DeviceVersionMajor 6

    DeviceVersionMinor 1

    DeviceTime 2025-01-17T05:55:33.0000000Z

    SupportedFeatures 0x4

    Was this answer helpful?

    1 person found this answer helpful.
    0 comments
  5. Anonymous
    2025-01-13T16:55:15+00:00

    Did you find a fix?

    Was this answer helpful?

    0 comments