If after installing docker on your machine and you found out that it is not running and you are seeing this error statement.
Docker Engine failed to start….
Do not worry, just run below command, it will fix your problem.
Open your window powershell client and run this command
& 'C:\Program Files\Docker\Docker\DockerCli.exe' -SwitchDaemon
OR you can run the below command on CMD as administrator:
"C:\Program Files\Docker\Docker\DockerCli.exe" -SwitchDaemon