404. That’s an error.

The requested URL /translate_c?depth=1&hl=ja&prev=search&rurl=translate.google.co.jp&sl=en&sp=nmt4&u=https://stackoverflow.com/questions/12719093/how-can-i-connect-to-a-websocket-in-c-sharp-with-windows-7&usg=ALkJrhjSZp9Wu-7JkX8NN7_pdtdrzV_Pww was not found on this server. That’s all we know.