DockerToolbox-1.12.2 - Windows 7 - Error: connect ENOENT //./pipe/docker_engine
<p>I have installed DockerToolbox-1.12.2.exe in Windows 7 from <a href="https://github.com/docker/toolbox/releases/tag/v1.12.2" rel="nofollow noreferrer">https://github.com/docker/toolbox/releases/tag/v1.12.2</a> link. After installation, if I try to launch Kitamatic, I am getting 
<a href="https://i.stack.imgur.com/pT4kq.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/pT4kq.png" alt="enter image description here"></a>
Error: connect ENOENT //./pipe/docker_engine. </p>

<p>I have tried RETRY SETUP and USE VIRTUALBOX options available, but didn't helped much. Can anyone suggest, how to proceed?</p>