Funny thing is, that when the program is running and you click on the X (top left corner) to hide/close the application window, you can't bring it back by clicking on the PSM icon, even though it runs perfectly. The only thing left to do is to shut down the application and restart.
However, if the program is running and you right click on the icon, select hide, the program can be brought back by left-clicking on the icon.
'But I don’t want to go among mad people,' Alice remarked.
'Oh, you can’t help that,' said the Cat. 'We’re all mad here. I’m mad. You’re mad.'
'How do you know I’m mad?' said Alice.
'You must be,' said the Cat 'Or you wouldn’t have come here.'