Windows Live Messenger, Which is the new name of the program MSN Messenger, Microsoft Corporation, lets you Friends unlocked, Admitting to your list of contacts another go. When using Windows Live Messenger, you can block contacts, to avoid sending messages. The program then adds them to a special list containing the names of all contacts you've blocked. You unblock a contact in Messenger with just a few steps.
How to unblock a contact in Messenger
Step 1. Open Start menu and clicking "Windows Live Messenger" Folder "All Programs" Log into the service if it does it automatically.
Step 2. Click on the menu Tools at the top of the window and select Options
Step 3. Select "Privacy" in the left panel, then select the name of the friend you want to unblock the blocked contacts list.
Step 4. Finally, click on the button Allow to unlock the friend. Click "Ok To confirm the changes.