i am using windows xp with intel GBF865 motherboard, intel processer,1 gb ram ,avg internet sercurity, sygate firewall, and adaware. my system hang very frequently i change even my smps, harddisk and ram also but the result is same. I plan to format but when i try to install that time also its hange. And some time its create problem to start also power coming on board, now i am unable to install operating system its hanging. kindly provide some solution.