[julia-users] can't load any package

[bbd 666]

I've just installed Julia 0.3.12
I can't install any package.
same message, every time :
INFO : Initializing package repository c:..
INFO : cloning METADATA from git//github.com/JuliaLang/METADATA.jl
fatal : unable to connect to github.com:
github.com:[192.30.252.130]: errno=No error
ERROR:failed process blablabla...