WinCC 服务器和客户机有的时候会突然死掉,尤其是点到某一副特定画面时。而这时操作系统运行正常。死掉时有时会弹框写“s cript error”.然后到wincc explorer里面试图打开画面时会弹框写:“APConnect failed,Error: An error occurred during interprocess communication. The cause of the error is unknown., Code :4.”查看日志文件发现死机时wincc_sys_01.log里写入一行:“Thread said good-bye。”