re5dx9.exe fatal application exit and sNetwork::init() error.

If you are using Steam, do not download individual .exe files from random websites, as they may contain malware. Instead:

For players looking to dive back into Kijuju, managing the file is often the key to getting Resident Evil 5 (RE5) running on modern hardware. This executable is the core DirectX 9 launcher for the game, but because RE5 was originally built for the Games for Windows Live (GFWL) era, it frequently runs into compatibility issues on Windows 10 and 11. What is re5dx9.exe?

If you have a standalone version and need the file, some users recommend making a copy of launcher.exe and renaming it to re5dx9.exe to bypass older launcher errors. 2. Install Necessary Runtimes