@Victor Murphy,
http://windowslivehelp.com/forums.aspx?forumid=8cf20399-aaeb-453a-860e-1868ebe5b411
To delete a contact from your Contacts List, you may refer to the following steps:
1. Sign in to your account through the Windows Live Hotmail site,
http://mail.live.com
2. In the left pane, click "Contacts"
3. Select the check box beside the contact that you want to edit
Note: To delete multiple contacts per page, select the uppermost check box beside "Name." You can remove individual contact from this list by simply clearing the check boxes beside it.
4. Click "Delete."
5. Click "OK" on the dialog box that will appear.