User Agent: Mozilla/5.0 (Windows NT 6.1; rv:42.0) Gecko/20100101 Firefox/42.0 Build ID: 20150729030208 Steps to reproduce: at first i open the selenium ide and open a new google page seach for facebook and click on the facebook link previously i save my account so i cleared that account and i just changed the username and password of the facebook and use a new user name and password and open the account and then went to sign out menu and click on sign out. and close the window. and run the selenium ide. Actual results: by using selenium the nightly is slowing down and sometimes hangs the system and major problem is without opening a new google page its restarts or opens from the existing page only. Expected results: a new google search page should open and open the facebook account and login and then logout.