Im having the same issues.
My system specs are
Processor: AMD Athlon 64 X2 Dual Core Processor 4600+ (2 CPUs), ~2.4GHz
Memory: 4096MB RAM
Available OS Memory: 4094MB RAM
Page File: 2186MB used, 6001MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
Card name: NVIDIA GeForce GTX 460
Manufacturer: NVIDIA
Chip type: GeForce GTX 460
DAC type: Integrated RAMDAC
Device Key: Enum\PCI\VEN_10DE&DEV_0E22&SUBSYS_23221462&REV_A1
Display Memory: 2769 MB
Dedicated Memory: 978 MB
Shared Memory: 1791 MB
Current Mode: 1680 x 1050 (32 bit) (59Hz)
We try to run the game in both standard and Window mode and nothing happens. We see ARMAdemo.exe in task manager, then it disappears from the task manager list.
I made a shortcut on my desktop and added the no benchmark "C:\Program Files (x86)\Steam\SteamApps\common\Arma 3 Alpha Lite\arma3demo.exe" -nobenchmark is this correct or am I doing this wrong?
Any help would be appreciated. Thanks in advance