I have just installed Meteor version 0.5.9 (45fef52095) to my CentOS release 6.3 (Final) server (Linux version 2.6.32-279.19.1.el6.i686 (mockbuild@c6b8.bsys.dev.centos.org)
I have the same error and I solved it just changing the name of the directory compañeros for companeros ... I know it is an fault for beginners but I have to tell this to help people whit. C:\nube\MEGA\cursos\coursera\CursowebResposivaEjemplos\compañeros\meteor_portfolio_website doesn't work C:\nube\MEGA\cursos\coursera\CursowebResposivaEjemplos\companeros\meteor_portfolio_website work correctly.