system
GFX: ATI radeon HD 4800 series x2 (crossfired)
CPU: intel (r) core i7 cpu 920@ 2,67ghz @ 2665mhz
MEM: 6128 MB
OS: windows 7 ultimate 64bit
i just installed win7 on this computer, didnt have any problems with shutdown or nothing else. but syddenly everthing stopped, i have istalled java, itunes, steam, and chrome.. this cant be a problem for the shutdown?