I have searched for this issues, but there isn't a way to overcome this since no one has ever encountered the problem. However, I recommend checking the tutorials section on the website to see how to work with the program, because it's possible that you experience either a bug or a bad setting from the application.
Tutorials section: http://www.phraseexpander.com/tutorials/
Alternatively, press CTRL + Shift + Escape and force close the application, then start it again.