I down loaded the Nectar Search Tool Bar and it worked fine for over a month. Then last week it disapeared, even though it is still ticked on the Tool Bar menu in View. Yesterday it suddenly came back, but today when I went into Firefox it had disapeared again. I previously had Norton 360 installed, I've recently uninstall it & replaced it with Bullguard. (I used the Norton Uninstall Tool to uninstall N360). Just before it reapeared I had run CCClean which removed some registry problems left behind by N360.