How can i fix my windows messenger?

how can i fix my windows mwessenger because when ever i try and sign in it comes up.... email address:
username:
password
domain
and it says its on a proxy setting!! i want to get it of the proxy setting so i can use my windows messenger but dnt no how to??????
samantha, November 2005


done
when i sing in yahoo messenger at time display error

hari_naran, November 2005