✨ OBT ETA: October 31st, 2025  ✨
✧ Age of Ymir
Getting Help
Age of Ymir Troubleshooting Guide

Client Issues Client Issues

Administrator Rights Always ensure the following is ran as an Administrator.

  • Age of Ymir.exe, OpenSetup.exe or the Age of Ymir Launcher.exe.
  • Set the Graphics API to DirectX 9 in OpenSetup.exe.
  • Right-click Age of Ymir.exe → Properties → Compatibility → set to Windows 7 or Windows XP SP3.
  • Enable Run as Administrator for both Age of Ymir.exe and Age of Ymir Launcher.exe.
  • Avoid installing in Program Files. Preferred directory: C:\Games\Age of Ymir\ or C:\Age of Ymir\.
  • Keep updated with the latest patches via the Age of Ymir Launcher.exe.

Antivirus Issues Insecure Software Detected

  • Anti-cheat systems might be falsely flagged by antivirus.
  • Add the game folder, Age of Ymir.exe, and Age of Ymir Launcher.exe to antivirus exceptions.
  • Optionally, submit these files for Microsoft Malware Analysis (opens in a new tab).

Gepard Shield Issues Gepard Shield Issues (init d3d or GRF)

  1. Open Age of Ymir Launcher.exe Launcher Icon
    • Set Graphics API to DirectX 9.
    • Choose proper resolution and graphic device.
    • Uncheck Full Screen.
    • Adjust or disable Sound Mode.
    • Select "Delete all RO-related settings (Factory Reset)".
  2. Install the game outside Program Files.

Software Warning Illegal Software Warning

  • Some mouse/keyboard software may trigger false positives.
  • Close such programs before launching the game.

License Validation Gepard Cannot Validate License

  • Check your internet connection.
  • Add exceptions in your antivirus/firewall for game files.

NVIDIA Performance Low FPS / Freezing on Windows 10/11 with NVIDIA

  • In NVIDIA Control Panel > Manage 3D Settings > Program Settings (for Age of Ymir.exe):
    • Set Max Frame Rate: 60 FPS
    • Monitor Tech: Fixed Refresh
    • Preferred Refresh Rate: Application-controlled
    • V-Sync: Use the 3D application setting

Cloudflare DNS 1.1.1.1 App by Cloudflare (Fixes Lag & Improves Latency)

Experiencing lag, high ping, or unstable gameplay?
Try using the 1.1.1.1 App by Cloudflare — it's a free, lightweight DNS tool that helps stabilize your connection and reduce latency.

DNS Benefits Why use the DNS app?

  • Faster, more stable internet
  • Improved privacy and DNS security
  • Optimizes routing to AoY game servers
  • Available for Windows, macOS, Android, and iOS

Installs in under a minute. No advanced setup needed.


High Resolution Setup Setup for HD/4K/8K Displays (dgVoodoo)

For high-resolution monitors, use dgVoodoo to improve compatibility and scaling.

Installation Installation

  1. Download dgVoodoo 2.79.3 (opens in a new tab) from the Download Downloads Page (opens in a new tab).
  2. Extract into your Age of Ymir directory (e.g. C:\Age of Ymir\).
  3. Copy these files:
    • From MS: D3D8.dll, D3DImm.dll, DDraw.dll
    • From 3Dfx\x86: Glide.dll, Glide2x.dll, Glide3x.dll
    • Place dgVoodooCpl.exe and dgVoodoo.conf in the same folder.

Configuration Configuration

  1. Run dgVoodooCpl.exe
  2. General Tab:
    • Set Scaling mode to Stretched, keep Aspect Ratio.
    • Use your discrete GPU under Adapter(s).
  3. DirectX Tab:
    • Set resolution to your monitor's native resolution.
    • Disable dgVoodoo Watermark.
    • Enable Force VSync if needed.

UI Scaling Fix Fix Small UI on 4K

Right-click Age of Ymir.exe → Properties → Compatibility → Change High DPI Settings:

  • ✔️ Override high DPI scaling behavior
  • Select: System (Enhanced)

Custom Resolution Use dinput.ini for Custom Resolution

If you want to override the RO window size or position, create/edit dinput.ini in your game folder:

; Override RO window position and size.
; Ignored if WindowWidth = 0 or WindowHeight = 0.
; Command line switch: -wX,Y,Width,Height
WindowPosX =0
WindowPosY =0
WindowWidth =1920
WindowHeight =1080

Ensure WindowWidth and WindowHeight are set to match your desired resolution.


Special Characters Setup for Special Characters (Korean, Russian, Japanese, etc.)

To display non-English characters:

  1. Copy dinput.dll and dinput.ini into your game folder.

    Warning Skip this step if the files already exist.

  2. Edit dinput.ini:
CodePage = 65001
  • 51932 = Japanese
  • 51949 = Korean
  • 51950 or 51936 = Chinese
  • 1251 = Russian
  • 65001 = Unicode / All Languages
  1. Save and launch the game.

Performance Optimization Grayworld GRF (Low-End PC Optimization)

If your PC has limited performance:

  1. Download graymap.grf from the Download Downloads Page (opens in a new tab).
  2. Move graymap.grf to your Age of Ymir directory.
  3. Launch the game.

Simplifies all maps to grayscale, improving rendering speed and performance.


General Issues General Issues

Patch Issues Failed Patch

AI Errors LUA Errors: Homunculus or Mercenary AI

Best Regards Best Regards!

Troubleshooting can be a journey of patience, persistence, and learning.
Thank you for taking the time to resolve your issue with us!


If challenges arise again, this page will always be here to guide you. For further technical assistance, you are always welcome on our
Discord Discord server.


Kind regards,
The AoY Team.