I had installed Docker 18.06.1-ce version on my Windows 10 machine and faced the similar issue, even though the docker was added the Windows %PATH%.
I moved the docker path to the bottom and that solved my problem.


I had installed Docker 18.06.1-ce version on my Windows 10 machine and faced the similar issue, even though the docker was added the Windows %PATH%.
I moved the docker path to the bottom and that solved my problem.

