laravel new blog don't work

i m trying to creat a new project with laravel 5.1 and i m using composer 1.0.0 but try to creat a new project with this commande

 laravel new testhere

i get this error

  [Symfony\Component\Process\Exception\RuntimeException] 
  TTY mode is not supported on Windows platform.

and whene i try this

composer create-project --prefer-dist laravel/laravel blog

i get this error

[Composer\Downloader\TransportException]

and it's tell me that xdebeug is enable

via Chebli Mohamed