如果您应用程序的一个现有实例已在运行，它会在开始载入应用程序之前停止。
If an existing instance of your app is already running, it's stopped before staging begins.
如果您的操作系统开始载入之前，您输入按键，让系统完成引导，然后重新启动系统并再试一次。
If your operating system begins to load before you enter the keystroke, allow the system to finish booting, and then restart your system and try again.
如果全屏版本开始不能载入，只需点击全屏图标来扩展即可。
If full screen versions are not loaded at first, just click on the full screen icon to enlarge.
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