Habilitar proxy en CMD
set HTTP_PROXY=http://proxy_userid:proxy_password@proxy_ip:proxy_port
set HTTPS_PROXY=%HTTP_PROXY%
set FTP_PROXY=%HTTP_PROXY%
HosseinZaaferani
set HTTP_PROXY=http://proxy_userid:proxy_password@proxy_ip:proxy_port
set HTTPS_PROXY=%HTTP_PROXY%
set FTP_PROXY=%HTTP_PROXY%