Have you installed Ghostscript?
http://ghostscript.com/doc/current/Install.htm or http://www.ghostscript.com/download/ and http://www.ghostscript.com/download/gsdnld.html
Have you installed Ghostscript?
http://ghostscript.com/doc/current/Install.htm or http://www.ghostscript.com/download/ and http://www.ghostscript.com/download/gsdnld.html