ScreenLock是一个屏幕保护程序，防止未授权的使用者尝试使用你的电脑。当你要离开你的座位时，你可以设定ScreenLock保护你的电脑。-ScreenLock is a screen saver to prevent unauthorized users try to use your computer. When you leave your seat, you can set ScreenLock protect your computer.