file itself is corrupted within your Windows system folders, use the built-in repair tool. Command Prompt as an administrator. sfc /scannow Restart your computer after the scan finishes. specific download link for your particular version of Ran Online? D3D9 Application Error - Microsoft Q&A
If none of the above works, the error is likely (custom game client using outdated D3D9 hooks). In that case, ask the private server admin for a compatibility patch or an official wrapper . how to fix d3d9 application error ran online
To avoid encountering the D3D9 application error in the future: file itself is corrupted within your Windows system
: Use the Command Prompt to repair corrupted Windows files that may affect DirectX. Type cmd in the search bar and Run as Administrator . Type sfc /scannow and press Enter . specific download link for your particular version of
from that folder to actually install the components. Restart your computer after the installation finishes. 2. Verify Graphics Drivers and Settings