how do i change background while using an in-genuine copy of win7 Ultimate?

[Eli Rumbel]

i know how to change background but the background will just dissapear into a blackscreen after i restart pc or play a game and its really pissing me off so please help.........

 

[Sora Ajesshi]

you can't.

you'll just have to use a genuine in order for it to not keep changing

solution: reformat and use the genuine one