Is Upper/Lower case a factor in producing invalid page faults

[C. Burton]

I have Lilypond up and running on a Win98SE system.  This was no easy task, 
and I am still working out the details.

When I double click on a Lilypond file, I watch the upper left hand corner 
of the dos window as the file is being processed.  Each time the name 
PYTHON (caps) appears, there is an invalid page fault error that is 
generated.  The other times, when python appears (small letters) there is 
no error message.  I remember reading somewhere that on some computer 
systems, as I recall it was UNIX, the file names are case sensitive.  So I 
wonder if PYTHON is generating these errors?  What is the cause of these 
errors and how can they be remedied?

The output is to an Adobe Acrobat *.pdf file, like it is now.

Coye