我用VB.NET2008 EXPRESS版本写了一个程序，在win7的机器上运行的时候是没有问题的，我在个别运行XP的机器上关闭程序的时候收到一个错误提示窗口，内容如下。其实我的程序里面的退出按钮和关闭窗体的按钮就只有一行 Application.Exit() 没有任何其他的代码在里面 ...

Hello, <BR>I have been trying sometime now to just figure out how to make a UDP connection with VB.NET 2008 and can't seem to figure it out. I even found 4 books on VB.NET but don't mention a thing ...