Fix: ARMORED CORE VI Fires of Rubicon Easy Anti Cheat Error 30005

ARMORED CORE VI FIRES OR RUBICON is a newly launched action combat character customization-based video game on the concept of the ARMORED CORE series. FromSoftware Inc. and Bandai Namco Entertainment Inc. have done a great job by releasing this title which basically uses the mecha-based vehicular combat gaming experience. Though the title is going pretty well in the market, some players are facing the ARMORED CORE 6 Fires of Rubicon Easy Anti Cheat Error 30005 on the PC.

This specific error appears whenever they try launching the ARMORED CORE 6 FIRES OR RUBICON game on the Windows computer which becomes irritating. These days plenty of video games do come across several issues or bugs and the Easy Anti Cheat error is one of them. Whenever the game application can’t detect the installed EAC program on the system or vice versa, an EAC error might occur quite often. As this is a common error, there is nothing to worry about.

Fix: ARMORED CORE VI Fires of Rubicon Easy Anti Cheat Error 30005

Fix: ARMORED CORE VI Fires of Rubicon Easy Anti Cheat Error 30005

It’s worth mentioning that some of the unfortunate players are also getting the “30005 StartService EasyAntiCheat EOSSys failed with 1275” which is quite similar to the EAC Error 30005. The chances are high that kernel stack protection in Windows, an outdated game patch version, lack of admin access, corrupted or missing game files, easy anti-cheat errors, and more can be possible reasons behind such an issue.

Luckily, here we’ve shared with you possible workarounds to easily fix it. Sometimes So, without further ado, let’s jump into it.

1. Reboot the Game and PC

First, you should try rebooting the PC to ensure there is no system glitch or cache data issue present. Some of the affected players did find this method helpful.

2. Run Steam as an Administrator

Make sure to run the Steam app on your PC as administrator access to allow the User Account Control (UAC) access to the system. In some cases, your system requires the UAC access permission to run a program which is quite important. By following the steps below you’ll have to allow the admin access for once and it won’t ask you for the same again. To do so:

  • Right-click on the Steam app on your PC.
  • Click on Properties > Click on the Compatibility tab.

  • Click on the Run this program as an administrator checkbox to enable it.
  • Once done, click on Apply and then OK to save changes.
  • Finally, just double-click on the game app file to launch it.

If in case, you’re running the game via the Steam client then perform the same steps for the respective game client too.

3. Check for the Game Updates

You can manually check for the game update by following the steps below to ensure the game is not outdated. An outdated game version can cause launching issues, server connectivity issues, EAC errors, and more.

  • Open Steam > Go to Library.
  • Click on ARMORED CORE VI FIRES OR RUBICON from the left pane.
  • Steam will automatically search for the available update.
  • If there is an update available, click on Update.
  • Make sure to wait for some time until the update is completed.
  • Once done, ensure to reboot the PC to apply changes.

4. Verify and Repair Game Files

Sometimes corrupted or missing game files on the PC might also trouble you a lot when it comes to the installation or updating of the game. You really can’t do anything for the issue to happen. But most of the game launchers do come with a built-in option to verify and repair the game files automatically that you can use whenever you face any kind of issues. To do this:

  • Launch Steam > Click on Library.
  • Right-click on ARMORED CORE VI FIRES OR RUBICON from the list of installed games.
  • Now, click on Properties > Go to Local Files.
  • Click on Verify Integrity of Game Files.
  • You’ll have to wait for the process until it gets completed.
  • Once done, just restart your computer.

Also Read

Fix: Armored Core 6 Fires of Rubicon Black Screen After Startup on PC

5. Disable Steam Overlay

You’ll need to disable Steam Overlay manually on the PC by following the steps below to ensure there is no issue with the in-game overlay feature.

  • Open your Steam client > Go to the Steam menu from the top left corner.
  • Click on Settings > Go to the In-game overlay option.
  • Now, uncheck the Enable Steam Overlay toggle to disable it.
  • Once done, restart your Steam client to apply changes.

6. Disable Kernel-Mode Hardware-enforced Stack Protection

Windows OS does come with built-in hardware-level security encryption to prevent virus attacks by monitoring kernel-mode stacks. As this feature always comes enabled by default, you’ll need to turn off the kernel-mode hardware-enforced stack protection manually by following the steps below. This trick might help in reducing the EAC error.

  • Press the Win+I keys to open Windows Settings.
  • Click on Privacy & Security > Click on Windows Security.
  • Now, click on Device Security.
  • Make sure to click on Core isolation details.

  • Turn Off the Memory integrity option.
  • Finally, restart your machine.

7. Repair Easy Anti Cheat

You should try repairing the EAC (Easy AntiCheat) system on your PC because a corrupted or missing EAC application file can prevent the game files from running properly. To do so:

  • Open the Steam client > Go to Library.
  • Click on the Local Files tab.
  • Select EasyAntiCheat > Run the EasyAntiCheat_Setup.exe application file as an administrator.
  • If prompted by UAC, click on Yes to allow it as an admin.
  • Click on Repair and wait for the process to complete.
  • Once done, restart your PC to check for the issue.

8. Try Deleting the EAC Certificate Folder

Another thing you can do is delete the EAC Certificate folder manually from the installed game directory to check if the EAC error has been fixed or not.

  • Go to your Steam > Click on Library.
  • Click on Properties.
  • Select Local files > Click on Browse local files.
  • Now, go to EasyAntiCheat > Delete the Certificate folder.
  • Once done, make sure to reboot the PC to apply changes.

9. Reinstall Easy Anti Cheat

If you’re still encountering the ARMORED CORE VI FIRES OR RUBICON Easy Anti Cheat Error 30005 then try reinstalling the Easy Anti Cheat program on the PC by following the steps below.

  • Open File Explorer on the PC.
  • Go to the installed location of ARMORED CORE VI FIRES OR RUBICON.
  • Now, search for the Easy AntiCheat installer file (EasyAntiCheat_Setup.exe).
  • Right-click on the easyanticheat_eos_setup.exe file.
  • Click on Run as an Administrator from the menu.
  • If UAC (User Account Control) is prompted, click Yes to grant admin access.
  • Do the same steps for the start_protected_game.exe file too.
  • Once done, restart the PC, and check for the issue again.

10. Enable EasyAntiCheat Service

Sometimes the easy anti-cheat system service might get turned off or stopped unexpectedly due to some other third-party applications. It’s always better to manually check for the EAC service on the system and set it to manual startup type.

  • Press the Win+R keys to open the Run dialogue box.
  • Type services.msc and hit Enter to open Services.
  • Search for the Easy AntiCheat service > Set the Startup type as Manual.
    • If not, you’ll have to right-click on Easy Anti-Cheat.
  • Click on Properties > Set the Startup type to Manual.
  • Then reboot your computer and launch the game.

11. Update Windows

The chances are also high that somehow your Windows OS becomes outdated or has some issues with the stability. In that scenario, you’ll face issues with launching or running the game properly. Check the Windows update and install it to the latest version.

  • Click on the Windows Start menu > Click on Settings.
  • Go to Update & Security > Click on Check for updates.
  • If there is a new update available, make sure to click on Download and Install.
  • Once done, restart your PC to apply changes.

12. Disable Windows Firewall

It’s also quite possible that your Windows Firewall system is somehow preventing the game files from running properly. Make sure to manually turn off the Firewall to check if the problem has been fixed or not.

  • Click on the Start Menu > Type Windows Defender Firewall and open it.
  • Next, click on Turn Windows Defender Firewall on or off from the left pane.
  • Select the Turn off Windows Defender Firewall (not recommended) option for all domains.
  • Once done, click on OK to save changes > Reboot your PC to apply changes.

13. Turn Off Antivirus Protection

Some of the Windows users also mentioned that the game launching issues or easy anti-cheat error gets fixed after turning off the antivirus protection manually. So, you should also try disabling the antivirus protection whether you’re using Windows Defender or a third-party antivirus software.

  • Press the Win+I keys to open Settings.
  • Click on Update & Security > Click on Windows Security.
  • Click on Open Windows Security > Go to Virus & Threat Protection.Real-time protection
  • Now, click on Manage settings > Just turn off the Real-time protection toggle.
  • If prompted, click on Yes to proceed further.

Please Note: If you’re using any other third-party antivirus program on your PC then ensure to turn it off from its settings menu.

That’s it, guys. We assume this guide was helpful to you. For further queries, you can comment below.

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