2 Monitors

Since Updating C1 Fuji Express to 23.....first 16.0.2 then 16-1-0 there is in "Window" only Aktivity and Event LOg..not more . No Workspace..no Viewer..no Live Picture..NOTHING..whats wrong? I So i can not work with two MOnitors..i only see Aktivities and Event Log . No Answer from Support :-(