I don't know if you find it more or less complicated, but I would
start a Command Prompt (Start menu -> Programs -> Accessories), move to
my working directory ('cd My Documents' or wherever) and
run the command manually:
lilypond --png myfile.ly
/Mats
Quoting Peter Kestens <[EMAIL PROTECTED]
To create graphical files from a Lilypond file in Windows, I know only this
rather complicated way with right click on the Lily icon, properties and then
adding --png in the command phrase for starting Lilypond. Is there an other
way (less complicated) or is it possible to provide in the progra