April 4, 2019 at 10:03 pm #13724 Gael LangevinKeymaster Hello, To click exit on what? The program MyRobotLab, I guess. Normally the x on the right top corner of the window. If that doesn’t work, the program has encountered a issue. If that is the case, you need to force the program “Java” to close via the Task Manager of Windows system. This reply was modified 3 years, 8 months ago by Gael Langevin.