It seems that you can not reach the Git server, therefore pleaes could you check the following:
1. If you are using proxy, please check the proxy settings.
2. Check the firewall settings that could blocked the port 443.
3. Make sure that IPv6 is disabled.
4. Check the DNS settings.
Best Regards,
Mohammad Mbydeen
This reply was modified 7 years, 9 months ago by Mbydeen.