How Do I Keep My Name On Msn 7.5 Why Does My Mac WLM/MSN Keep Changing My Display Name To My Real Name?

Why does my Mac WLM/MSN keep changing my display name to my real name? - how do i keep my name on msn 7.5

I'm on a Mac with the Mac version of WLM / MSN. Whenever I log on two days, my full name to my personal name and changed the message is deleted. Every time I turn around, but keeps going back to all the same.

What is it and how to solve this problem?