if u x have problem, u can not only say i do not have x. u have to tell us how u do not have x.
which command u use? u can not find command ? u run command but x can not start? what is u x log?
just like u go hospital, you can not say i am not ok. you have to say i catch a cough, i have a headache...
u never go hospital before? o, sorry.