Go to Windows Security > Device Security > Core Isolation and ensure "Memory Integrity" is toggled on (though some older versions of EAC may require this to be off; check your game's specific support page).

Easy Anti-Cheat (EAC) is a industry-leading anti-cheat service developed by Epic Games. It protects popular multiplayer games like Apex Legends, Fortnite, and Elden Ring from hackers and malicious software.

download standalone .exe or .dll files claiming to be Easy Anti-Cheat from unauthorized blogs or file-sharing sites.

Before clicking download, understand that EAC operates at the (Ring 0). On Windows 11, Microsoft has enforced stricter kernel-mode code signing (KMCS) and Virtualization-Based Security (VBS). This means:

Since EAC is game-dependent, follow these precise steps for a clean installation.

In the window that opens, select your game and click or Repair Service . Troubleshooting Windows 11 Issues

Open Task Manager ( Ctrl + Shift + Esc ) and close RGB control software (like ASUS Aura Sync, MSI Dragon Center, or Gigabyte RGB Fusion). These programs use drivers that EAC sometimes flags as vulnerable. Error Code 30005 (CreateFile Failed)

If EAC fails to download via Steam for Windows 11:

Error 30005 is a common EAC error on Windows 11, indicating the service failed to start.