Re5dx9.exe Fatal Application Exit
Typically, this error is caused by an attempt to set the resolution higher than the resolution of your monitor. Steam Community
A background process or service is conflicting with the game. re5dx9.exe fatal application exit
First, let’s decode the filename:
Force the game to mimic an older operating system. Typically, this error is caused by an attempt
Windows Defender or third-party AV might quarantine or block the executable. re5dx9.exe fatal application exit
Consider these last-resort options: