Password recovery

Hello, i am nitesh my msn id is hacked and i was getting some bad mails from one user i dont know how he use to check my mails and how he get my password .so i think to change my password while changing password i dont know what happened the password which i reset was not signing in and i am now in big trouble so is there any solution get out of this because for me this id is very important i give you my id my id is
djnitesh@hotmail.com
password= 9920907160 ( before)

and the password which i rest is=my world
again i reset password and that is=hicret1

so it has created problem for me to signing in so i request you can you help me please please