Hello I found this link for you
I hope it can be of help for you
http://technofriends.in/2008/12/05/how-to-know-if-your-friend-has-blocked-you-online-on-yahooaim-or-msn-messenger/
Good luck and best wishes
I hope it can be of help for you
http://technofriends.in/2008/12/05/how-to-know-if-your-friend-has-blocked-you-online-on-yahooaim-or-msn-messenger/
Good luck and best wishes