It also affects me when I'm debugging with QtCreator using Ubuntu 18.04, this 
is very annoying.
When the window appears, it is not possible to click anywhere except that 
window (also if it is in background), and it is not possible to disable or 
increase the timer for non responding applications, as pointed here:

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  <something> is not respoding window is constantly showing when
  debugging a program in Eclipse

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