Red Orchestra 2 Crash - .exe has stopped working

The most common cause of this is corrupt files in the user directory or missing prerequisite files. Please try the following:

1) Delete your documents/my games/red orchestra 2/ folder directory completely
2) Running the RO2redist.exe located in your SteamApps/common/red orchestra 2/binaries/windows location
3) Update any device drivers you have to the latest available