Magento connect manager showing login screen in console.
I have installed 1.9.1.0 ver of magento, Want to upgrade my extension. But when i select any extension version for upgrade and click on commit changes button. It scroll me to console area and shows login page of connect manager instead of console window. After putting credential of connect manager it gives message that "No actions selected". But all these functionality is working fine on Local side. 
Please help me.
