pc-access是什么?怎么用? 启动wincc时候提示:"system\current controlset\control\vitualDevice Drivers.VDD 注册表内的虚拟设备驱动程序格式是无效的。 选择“关闭”终止应用程序 选择“忽略” 然后又提示: "The database of the cp 5x11 could be opened for further information.refor to the sinecz.log file in the system directory." 请指教谢谢!