Please help me i have a problem!Follow

well i instaled final fantasy 11 on my new windiows vista laptop but a box keep poping up that said unidentified program but i fix it but now it tells me i need a administative authority to open it but iam not an admin b/c my parents would not let me is the any soltions on how i could open this. will windows xp let me open it if iam not admin or somthing. i just need some help.