PDF conversion failed

[Brian Guo]

> I'm not top posting.


\version "2.16.0"  % necessary for upgrading to future LilyPond 

versions.
\language "english"

\header{
  title = "Examination"
  subtitle = "If you can not do it, you have to sing the song."
}

\relative c' {
\key bs \major
  bs
\mark "1. Use the following scale to help you answer the following 
questions:"
cx dx es fx gx ax bs
}

warning: `(gs -q -dNOSAFER -dDEVICEWIDTHPOINTS=595.28 -
dDEVICEHEIGHTPOINTS=841.89 -dCompatibilityLevel=1.4 -dNOPAUSE -
dBATCH -r1200 -sDEVICE=pdfwrite -
sOutputFile=/Users/user/Desktop/test.pdf -c.setpdfwrite -
f/Users/user/Desktop/test.ps)' failed (1)

fatal error: failed files: "C:\\Users\\user\\Desktop\\test.ly"