If you want to try the community patch route, I can provide the for the safest community patches.
Start with the easiest fixes (DirectX runtime, compatibility mode, 60Hz refresh) and work your way down. In most cases, disabling overlays and forcing 60Hz solves the problem instantly. re5dx9.exe fatal application exit
When this error occurs, the game crashes to the desktop, sometimes instantly at launch or after a few seconds. A common detail is the appearance of the failed module ntdll.dll in the Windows crash logs. If you want to try the community patch
"re5dx9.exe - Fatal Application Exit" Resident Evil 5 most commonly caused by display resolution mismatches DirectX compatibility issues unsupported fullscreen settings Steam Community Common Fixes Switch to Windowed Mode When this error occurs, the game crashes to
If you want to try a specific step or need help locating files, let me know: What and graphics card (GPU) are you using?
message. Try setting your desktop resolution to 1920x1080 before launching to see if the crash persists. Verify Game Files
Paste the files directly into the folder where re5dx9.exe is located, overwriting files if prompted. 3. Install Legacy DirectX End-User Runtimes