I had a similar situation on Windows 10. It comes about to get mainly because of the aws cli not looking through the net proxy location from your Home windows registry. Mounted exact error by location the surroundings variables HTTP_PROXY and HTTPS_PROXY to the company Web proxy. Hope it helps https://iam99774186.activosblog.com/28625788/the-fact-about-iam997-that-no-one-is-suggesting