QUESTION:1

error during connect: this error may indicate that the docker daemon is not running: Post “http://%2F%2F.%2Fpipe%2Fdocker_engine/v1.24/images/create?fromImage=ubuntu&tag=latest”: open //./pipe/docker_engine: The system cannot find the file specified.

ANSWER:

1. Search docker on your computer:

2. The following steps solved this problem:

1. Open cmd as administrator
2. Launch command: “C:\Program Files\Docker\Docker\DockerCli.exe” -SwitchDaemon
3. 

QUESTION:2 

 docker pull ubuntu, I got an error: 

no matching manifest for windows/amd64 10.0.22631 in the manifest list entries?

ANSWER:

Open Docker Desktop

• Go to Settings
• Select Docker Engine

• Edit the Docker daemon file
• Set the “experimental”: true
• Click Apply & Restart Docker