Everytime I Sign In Msn My Name Is Changed My MSN Screen Name Keeps Changing Back To Just My Name Everytime I Sign In To MSN. HELP!!!!!?

My MSN screen name keeps changing back to just my name everytime i sign in to MSN. HELP!!!!!? - everytime i sign in msn my name is changed

I received an e-mail to MSN Hotmail, and every time I sign my screen name does not leave him the last time I was on MSN.