While I am already in Firefox browsing, I find that I need to open another Firefox window, without closing the one I am in. As there are many tabs open already, simply closing the Firefox entirely doesn't help, as on starting the Ff again, I get a message "Oops! we are sorry. Unable to restore all the tabs. Would you like to begin afresh?". As I don't want to loose the information on the existing tabs - many of them are independent and cannot be grouped - I don't want to begin afresh, losing all the earlier tab info. Also there is no "Restart Ff now" button, as in the case of adding a new add-on. Now, please help me by offering a fully working solution to the above issue. Thanks a lot for all those who care to help me. - - arasan70