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adhamkhaledd's avatar
adhamkhaledd
Seasoned Newcomer
1 day ago

FC 26 crashes with ILLEGAL_INSTRUCTION when connecting online

Description:

The game launches and runs normally in offline mode, but crashes every time it attempts to connect to online services. The crash is 100% reproducible and always occurs at the same address in FC26.exe.

System:

  • CPU: AMD Ryzen 4000 series (Family 23, Model 96 — Zen 2 architecture)
  • OS: Windows 10 Pro (Build 19045)
  • GPU: NVIDIA (discrete) + AMD integrated

Crash details from minidump:

  • Exception: STATUS_ILLEGAL_INSTRUCTION (0xC000001D)
  • Faulting module: FC26.exe
  • Crash address: 0x0000000140E45B80 (RVA: 0x0E45B80) — identical across all crash dumps
  • Renderer: DirectX 12

Root cause: The online code path in FC26.exe executes a CPU instruction not supported by Zen 2 processors (likely AVX-512 or similar). Zen 2 supports up to AVX2 but not AVX-512. The offline code path never reaches this instruction, which is why the game works fine without an internet connection.

Steps to reproduce:

  1. Launch FC 26 on a machine with an AMD Ryzen 4000 series (Zen 2) CPU
  2. Reach the main menu (game loads fine)
  3. Connect to online services / attempt any online mode
  4. Game crashes immediately

What was tried:

  • -dx11 launch argument — ignored, game still loads DX12
  • Disabling Windows Defender real-time protection — no effect
  • Game repair — no change

Crash dumps attached.

connectivity
crashing

7 Replies

  • EA_Barry's avatar
    EA_Barry
    Icon for Community Manager rankCommunity Manager
    20 hours ago

    adhamkhaledd​ 

    OmenCap.exe belongs to HP Omen Gaming Hub / Omen SDK components. Please uninstall this and then retry playing. Thank you. EA_Barry.

  • adhamkhaledd's avatar
    adhamkhaledd
    Seasoned Newcomer
    21 hours ago

    First my laptop in pavilion not omen, so I made 2 and 3, and still didn't work, im so disappointed!
    I even uninstalled and reinstalled the whole game again, and it didn't work EA_Barry​ 

  • EA_Barry's avatar
    EA_Barry
    Icon for Community Manager rankCommunity Manager
    21 hours ago

    adhamkhaledd​ 

    Thanks for the Dxdiag, very useful. Some troubleshooting steps: 

    1. Completely uninstall:

    • Omen Gaming Hub
    • Omen SDK
    • OmenCap

    Reboot and retry.

    2. Open Administrator CMD and run these commands: DISM /Online /Cleanup-Image /RestoreHealth

    then: sfc /scannow

    3. Navigate to: EA SPORTS FC 26\__Installer\EAAntiCheat

    Run: EAAntiCheat.Installer.exe

    Choose:

    1. Uninstall
    2. Reboot
    3. Install

     

    Let us know how you get on with these steps. Thank you. EA_Barry.

     

  • joeisthebest2021's avatar
    joeisthebest2021
    Seasoned Newcomer
    1 day ago

    I've had the exact same issue and don't know how to solve it.

    • I've tried to repair the game through the launcher.
    • I've reinstalled the game.
    • I've updated my drivers and windows. 
    • I've reset my router.
    • I've checked system requirements and Im well within them.

    I have had the game since September 2025. With 250+ Hours spent on the game, its ridiculous that the game no longer works. 

    your support system is awful. really hope you can offer a quick speedy solution for all the people including myself with this problem. 

     

  • adhamkhaledd's avatar
    adhamkhaledd
    Seasoned Newcomer
    1 day ago

    Note: Crash dump files are available but could not be attached due to the form's file type restrictions. Please contact me if you need them.

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