Check and select Windows 7 or Windows 8 .
: Setting the executable to run with elevated privileges and in an older Windows environment can bypass launch errors. re5dx9.exe fatal application exit
Corrupted config files force the engine to attempt invalid display modes or D3D calls, resulting in a fatal exit. Check and select Windows 7 or Windows 8
: If you are using a dual-monitor setup or an external display with a laptop, try unplugging the second screen and launching the game on a single monitor. Lower Refresh Rate re5dx9.exe fatal application exit