AWS CLI [Errno 2] No such file or directory

Microsoft Windows [Version 6.1.7601]

Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

C:\AWSCLI>aws --version

aws-cli/1.11.160 Python/2.7.9 Windows/7 botocore/1.7.18

C:\AWSCLI>aws configure

AWS Access Key ID [****************]:

AWS Secret Access Key [****************]:

C:\AWSCLI>aws s3 ls s3://nameofbucket

[Errno 2] No such file or directory

C:\AWSCLI>copy "c:\AWSCLI\botocore\vendored\requests\cacert.pem" "c:\AWSCLI\certifi"

        1 file(s) copied.

C:\AWSCLI>aws s3 ls s3://nameofbucket