can't open chm files all of a sudden

[John Salerno]

John Machin wrote:

> 6. Fire up a Comamnd Prompt window, and type this in:
> 
> \windows\hh \python25\doc\python25.chm
> \windows\hh \windows\help\whatever.chm

I tried this and got the same error. This is really upsetting.