指定窗口标题，后台自动监视窗口，并关闭这些窗口。主要应用于某些后台应用程序，自动运行时出现错误，弹出部分窗口，不能自动退出。使用该后台“杀窗口程序”，可以自动杀死这些窗口程序。(Specifies some window titles, the background application automatically monitors the windows, and closes the windows. It is mainly used in some background applications, when some errors occur automatically and some windows are popped out and can not be automatically closed. Using the "windows killing program", these windows can be killed automatically.)