When I tried to post from window live writer, This error is shown - An unexpected error has occurred while attempting to log in: Netword Connection Erro - Erro attempting to connect to blog at wordpress.com/xmlrpc.php The underlying connection was closed: an unexpected error occurred on a receive Yesterday I tried to found solution for this error, but was unable to find. Today I tried to check few plugins which were installed recently and found suspecious wp plugin "Email Subscribers" and after removing it, my problem was solved. Hope it would help you also. Thanks Raj