The file "Arma 3 Alpha" does not exist at:
C:\Users\<Name>\AppData\Local\Arma 3 Alpha\ ,steam instead placed it at:
C:\Users\<Name>\AppData\Local\Temp\Arma 3 Alpha\
The "Arma 3 Alpha" also exists at:
C:\Program Files (x86)\Steam\steamapps\common\Arma 3
I have tried running the game as Admin with the same Appcrash result.
Product Version 0.5.0.102571