Need Help Hotmail Hacked

Hey i keep getting my hotmail recovered by someone i dont even know how the hell he got my E-mail i dont post it anywhere.

I still have my recovery question so i can always get it back. But the problem he set another e-mail in mine wich he can recover my e-mail anytime. To remove it its the same process as runescape. Do you have any idea how i could remove it.

- Ive tried to contact Hotmail but find nothing.