When adding or changing fillets, selecting an individual edge or fillet displays a pop-up toolbar to help you select multiple edges or fillets.
Hover over a toolbar icon to highlight entities in the graphics area. Click the toolbar icon to select the appropriate entities and populate the PropertyManager.
Is the toolbar no longer appearing at all, or just not when you think it should?
It does appear but If I don't select any of those options and move away from the sketch ,then it disappears , I am just trying to make it re-appear again ( like that "S" button that brings up the window for Sketching or Features help)
I'm not sure it has an official name.
From http://help.solidworks.com/2013/English/SolidWorks/sldworks/c_FilletXpert_Overview.htm?id=d7bbd8ed9d2b4c4eb59bab81f8b9fb62#Pg0
Is the toolbar no longer appearing at all, or just not when you think it should?