It can happen when you install/update your wordpress blog as the default setting is to block robots. It catches many people out @enhu your site as listed in your profile gives me Don't know the answer to that one although it looks to be a common error http://www.google.co.uk/search?q=Fa...=navclient-ff&ie=UTF-8&rlz=1B3GGGL_en___GB229