I enable them through this instructions http://techdows.com/2010/12/enable-websockets-in-opera-11.html but the problem still the same. Could you tell what steps did you do? -- View this message in context: http://python.6.n6.nabble.com/IPython-in-windows-tp4992137p4992190.html Sent from the IPython - User mailing list archive at Nabble.com.