Not able to install Ionic and Cordova in windows

I install Node.js v4.4.0 X86 .
and i am trying to install Cordova and Ionic using RPM , Getting this below Error .

I am using My personal Dongle and it’s Bandwidth is about 150 kb/s
Can anyone help me out with this please.
Thanks in advance

Hello ,
Is their anyone who can help me out with this issue .
It’s very urgent and Important too for my carrier …
Please Help