Quelea application not opening

Hi, I am seeing this strange issue. The application is opening for the first time, but on closing and re-trying to open, it’s not opening. Strangely, I am not getting any error messages nor seeing any process with name quelea in background/foreground process’. And I got a temporary work-around to this by putting the pc to sleep, then its working but even in this scenario it’s not opening for the second time. Sometimes locking the windows also works but not always.

This is solved by re-installing the application.