Today I was going to play some osu, but suddenly this window appeared:
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However, the task manager shows that the osu process is running, but nothing happens on the screen.
Anyway, thanks for any help.
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SPOILER
It never actually happened before. Neither any of the solutions here arent working, restarting the pc or re install etc.The culture "pl" (polish) is neutral. You can not use it for formating nor analyzing, that is why you can not use it as a culture of this process.
However, the task manager shows that the osu process is running, but nothing happens on the screen.
Anyway, thanks for any help.