
Contents
 Client Issues
  Always ensure the following is ran as an Administrator.
Age of Ymir.exe,OpenSetup.exeor theAge of Ymir Launcher.exe.- Set the Graphics API to 
DirectX 9inOpenSetup.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 Ymir\orC:\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 (opens in a new tab).
 
 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
 
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 (opens in a new tab) from the 
 Downloads Page (opens in a new tab). - Extract into your Age of Ymir directory (e.g. 
C:\Age of Ymir\). - Copy these files:
- From 
MS:D3D8.dll,D3DImm.dll,DDraw.dll - From 
3Dfx\x86:Glide.dll,Glide2x.dll,Glide3x.dll - Place 
dgVoodooCpl.exeanddgVoodoo.confin the same folder. 
 - From 
 
 Configuration
- Run 
dgVoodooCpl.exe - General Tab:
- Set Scaling mode to 
Stretched, keep Aspect Ratio. - Use your discrete GPU under Adapter(s).
 
 - Set Scaling mode to 
 - DirectX Tab:
- Set resolution to your monitor's native resolution.
 - Disable dgVoodoo Watermark.
 - Enable Force VSync if needed.
 
 
 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/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 (Korean, Russian, Japanese, etc.)
To display non-English characters:
- Copy 
dinput.dllanddinput.iniinto your game folder.
 Skip this step if the files already exist. - Edit 
dinput.ini: 
CodePage = 6500151932= Japanese51949= Korean51950or51936= Chinese1251= Russian65001= Unicode / All Languages
- Save and launch the game.
 
 Grayworld GRF (Low-End PC Optimization)
If your PC has limited performance:
- Download 
graymap.grffrom the
 Downloads Page (opens in a new tab). - 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 (opens in a new tab) on our 
 Discord (opens in a new tab) 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) (opens in a new tab). - Extract it to your game folder under 
AI/. 
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.