If the game still fails to launch, try these specific solutions: Change Compatibility Settings:
How to Fix D3D9 Application Error
Add to launch options or edit config file: how to fix d3d9 application error ran online
Open Command Prompt as Admin and run sfc /scannow to fix corrupted Windows DLL files. Disable Overlays If the game still fails to launch, try
Visit the Ran Online GS Facebook page or official website to locate their latest compatibility patch. If using a cracked/modified exe, use a legitimate