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Armored Core 6 Easy Anti Cheat Issue: 30005 StartService Error

So you're knee-deep in the exhilarating universe of Armored Core VI: Fires of Rubicon, huh? Zipping through the skies and clashing metal in colossal boss battles—what's not to love? Ah, but even the most battle-hardened mech pilots hit a snag sometimes, especially when greeted by this irksome error message in Armored Core 6: Easy Anti Cheat Issue: 30005 StartService EasyAntiCheat EOSSys failed with 1275

No need for panic; there's light at the end of this technical tunnel. Buckle up, as we delve into some foolproof solutions that will have you back at the helm of your custom mech in no time!

Armored Core 6 Easy Anti Cheat Issue - 30005 StartService EasyAntiCheat EOSSys failed with 1275

Troubleshooting Armored Core VI Fires of Rubicon Easy Anti Cheat Issue: 30005 StartService EasyAntiCheat EOSSys failed with 1275

In essence, this notorious "30005 StartService EasyAntiCheat EOSSys failed with 1275" Easy Anti Cheat issue in Armored Core 6 usually prevents the game from launching correctly. We've got an assortment of remedies for you to try, each detailed step-by-step below. So, no more beating around the bush—let's get you back in the cockpit, Commander!

1. Turn Off Kernel-mode Hardware-enforced Stack Protection

If you are a Windows 11 user, you should disable Kernel-mode Hardware-enforced Stack Protection to fix the "30005 StartService EasyAntiCheat EOSSys failed with 1275" Easy Anti Cheat issue in Armored Core VI Fires of Rubicon:

  1. Type "core isolation" into your search bar in the taskbar.
  2. In the settings that appear, switch off "Kernel-mode Hardware-enforced Stack Protection".
  3. Restart your PC and relaunch the game.

By performing these steps, you are tweaking your system's security features slightly, which may give the Easy Anti Cheat engine more room to operate properly.

2. Disable EAC

  1. Navigate to the location where you've installed Armored Core VI: Fires of Rubicon in your Steam library. (Library > ARMORED CORE VI: FIRES OF RUBICON > Right-click > Manage > Browse local files)
  2. Open the "Game" folder that's sitting there, probably sandwiched between other folders you don't need to care about right now.
  3. Then, locate the file named start_protected_game.exe. Rename this file to backup. This will effectively sideline the original executable.
  4. Now, find another file named armoredcore6.exe. Rename this file to start_protected_game.exe.
  5. After that, proceed to launch the game via Steam, just as you usually would.

This method essentially disables Easy Anti Cheat, letting you run Armored Core VI: Fires of Rubicon without it. Be cautious though; you might not be able to access online features without EAC.


There you have it, folks! We hope these methods propel you back into your customized mech ASAP. However, if you've tried all the above solutions and the Armored Core 6 Easy Anti Cheat issue persists, please feel free to leave a detailed comment below sharing your experience. Additionally, if you stumble upon a different workaround that does the trick, don't hesitate to share it with us and the community.

Game on, Commander. Game on.