Pausing the emulation before loading a save state

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Here are some example
.Hack\\Link - on the latest 0.2 english patch if you press square at the results screen(after clearing an area),ppsspp will show(probably bug with the translation patch)a black screen and an empty box(where the explanation text is supposed to be).When ppsspp freeze there,the music is still running but you can't do anything and trying to load a save state does nothing

Naruto Shippuden Ultimate Ninja Impact - executing skill when you don't have enough chakra.The problem doesn't exist anymore but you probably know what was happening before.The game freeze and loading save states does nothing(unless you pause the emulation)

I can't think of any other game right now,this just happens at random.