Contents
Client Issues
Always ensure the following is ran as an Administrator.
Age of Ymir.exe,Setup.exe,OpenSetup.exeor theAge of Ymir Launcher.exe.- Set the Graphics API to
DirectX 9inSetup.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.exeandAge of Ymir Launcher.exe. - Avoid installing in
Program Files. Preferred directory:C:\Games\Age of YmirorC:\Age of Ymir. - Keep updated with the latest patches via the
Age of Ymir Launcher.exe.
Insecure Software Detected
- Anti-cheat systems might be falsely flagged by antivirus.
- Add the game folder,
Age of Ymir.exe, andAge of Ymir Launcher.exeto antivirus exceptions. - Optionally, submit these files for Microsoft Malware Analysis.
Gepard Shield Issues (init d3d or GRF)
- Open
Age of Ymir Launcher.exe- 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)".
- Set Graphics API to
- Install the game outside
Program Files.
Illegal Software Warning
- Some mouse/keyboard software may trigger false positives.
- Close such programs before launching the game.
Gepard Cannot Validate License
- Check your internet connection.
- Add exceptions in your antivirus/firewall for game files.
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
- Set Max Frame Rate:
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.
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
Download the 1.1.1.1 App (Cloudflare)
Installs in under a minute. No advanced setup needed.
Setup for HD/4K/8K Displays (dgVoodoo)
For high-resolution monitors, use dgVoodoo to improve compatibility and scaling.
Installation
- Download dgVoodoo 2.79.3 from the Downloads Page.
- Extract into your Age of Ymir directory (e.g.
C:\Age of Ymir). - Copy these files from the extracted folder to your Age of Ymir directory:
D3D8.dll,D3D9.dll,D3Dlmm.dll,DDraw.dll,dgVoodooCpl.exe,dgVoodoo.conf.
Configuration
Forcing Dedicated GPU on Laptops
If you're using a laptop with both integrated and dedicated graphics (e.g., Intel + NVIDIA), follow these steps to ensure the game uses your dedicated GPU:
- Configure NVIDIA Control Panel (for NVIDIA GPUs):
- Open NVIDIA Control Panel → Manage 3D settings → Program Settings.
- Click Add and select
Age of Ymir.exe(or browse to your game folder). Also addSetup.exeorOpenSetup.exeif present.

- For each program, set Preferred graphics processor to High-performance NVIDIA processor.

- Click Apply and close the control panel.
Note: For AMD GPUs, use AMD Radeon Settings → System → Switchable Graphics and set the game to High Performance. - Configure dgVoodoo Control Panel:
- Close the game if it's running. Run
dgVoodooCpl.exefrom your Age of Ymir directory. - In the General Tab: Set Adapter(s) to use / enable to your dedicated GPU. Set Scaling mode to
Stretched, keep Aspect Ratio. Ensure Windowed is selected if you prefer windowed mode.

- In the DirectX Tab: If you want to use real DirectX instead of dgVoodoo's wrapper, enable Disable and passthru to real DirectX. Set resolution to your monitor's native resolution. Disable dgVoodoo Watermark. Enable Force VSync if needed. Click OK to save.

- Close the game if it's running. Run
- Verify GPU Selection in Game Setup: Run
Setup.exeorOpenSetup.exe. In the Graphics tab, select your dedicated GPU (e.g. "NVIDIA GeForce GTX... [dgVoodoo TnL HAL]") and click OK.

Launch the game and verify GPU usage in Task Manager or your GPU monitoring software.
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)
Use dinput.ini for Custom Resolution
If you want to override the RO window size or position, create or 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 =1080Ensure WindowWidth and WindowHeight are set to match your desired resolution.
Setup for Special Characters
To display non-English characters:
- Copy
dinput.dllanddinput.iniinto your game folder.
Note: Skip this step if the files already exist.
2. Edit dinput.ini and set:
CodePage = 6500151932= Japanese ·51949= Korean ·51950or51936= Chinese ·1251= Russian ·65001= Unicode / All Languages
3. Save and launch the game.
Grayworld GRF
If your PC has limited performance:
- Download
graymap.grffrom the Downloads Page. - Move
graymap.grfto yourAge of Ymirdirectory. - Launch the game.
Simplifies all maps to grayscale, improving rendering speed and performance.
General Issues
Failed Patch
- Close and restart the patcher.
- If still failing after a few tries, wait a bit — server issues may resolve on their own.
- Open a Support Ticket on our Discord if the problem persists.
- If
Age of Ymir Launcher.exehangs, end the process via Task Manager.
LUA Errors: Homunculus or Mercenary AI
- Delete the
AIfolder from your Age of Ymir directory. - Download the latest AzzyAI 1.56 (Age of Ymir Edition).
- Extract it to your game folder under
AI/.
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 server.
Kind regards,
The AoY Team.