Nvidia SDK manager failing in step3

I am trying to install Jetpack 4.2 on my TX2 via SDK manager but the setup gives following errors attached in the image:

Image 1 : https://1drv.ms/u/s!AhxVT0nnlLRgvQgsBT0g7SDkhJaN?e=oc25uW

Download is failing. Are you behind a proxy or firewall? Basically a manifest is first downloaded, and then URLs from the manifest are used for the rest of the downloads.