"failed to cache ISO" Error while starting minikube on windows 10

[vivporwal]

The exact command to reproduce the issue:
C:> minikube start --docker-env http://usernamexx:[email protected]:pppp --docker-env https://usernamexx:[email protected]:pppp

Note: obfuscating proxy IPs

The output of the minikube logs command:

The full output of the command that failed:

• minikube v1.3.1 on Microsoft Windows 10 Enterprise 10.0.16299 Build 16299
• Downloading VM boot image ...

X Failed to cache ISO: https://storage.googleapis.com/minikube/iso/minikube-v1.3.0.iso: invalid checksum: Error downloading checksum file: Get https://storage.googleapis.com/minikube/iso/minikube-v1.3.0.iso.sha256: proxyconnect tcp: EOF
*

The operating system version:
Microsoft Windows 10 Enterprise 10.0.16299 Build 16299

[tstromberg]

You will need to tell minikube about the proxy that is required to access the internet, by using the http_proxy and https_proxy environment variables:

https://minikube.sigs.k8s.io/docs/reference/networking/proxy/

On the plus side, it will pass the correct configuration to docker as well.

Please let me know if this helps!

[tstromberg]

Closing as a workaround has been provided.

Also related: #4774