Cameron Kerr wrote:

> "Bad Code: 9" is a deprecated code meaning "Communication with
> Distination Network Administratively Prohibited" (or words to that
> effect)
>
> Basically, the Network Admin at the ISP has prohibited the use of ping,
> full stop.

Okay sorry, he's right. My ISP must have _very_ recently prohibited ping!
I set up a windows machine less than a month ago and used it to test.
Sorry for wasting time here.