searching for prog to hide running games


good day! dont bite me, im nub. help me please. i need working game hider i searched it five days, found two cracks. but first is dont start up and after second my xp cant boot up, and my friend reinstalled it. please help me, without it i cant hide games :( or maybe u now another util for games hiding? i very need it... i searched for it in gooogle, but found nothing i nedd to hide my hitman i like to play games all days and all nights! but my dad and mom very angry about it, they said that if i dont stop playng this stupid (oh no!!! ragnarok is not stuped!) games, they throw away my laptop :( hope to see your reply thanks, and help me!