Prog that refreshes OS in the same way that a reboot does

Hi,

Is it possible to make a program that would refresh your OS in the same way a reboot does?

dat is livin in cloud cookoo land man

if it were possible, i fink it wuld 'ave been dun by now, considerin' it pisses everyone off whun Windoze keeps dongin' up, aye

Respect

This idea sounds like a disaster waiting to happen! No offence, but I doubt that even MS would release such a funky product to the public!