Random PC freeze even at loading

Arma 3 DEV 1.11.115778 (had them on other versions also)
No executable file properties

Win 7 SP1 64 bit with latest updates
DirectX 11 updated from http://www.microsoft.com/en-us/download/details.aspx?id=35
Nvidia Driver 334.89 (happens with other versions)
{F23334} {F23335}