Error when port forward app from docker documentation

Getting the following error when following the docker documentation:

Ran the following via powershell:
docker run -p 4000:80 friendlyhello

Error Output:
C:\Program Files\Docker\Docker\Resources\bin\docker.exe: Error response from daemon: driver failed programming external connectivity on endpoint distracted_nobel (b5b77b16281a03539000c717926525b8c890b2a038ab4b5bc3c346b40b89632e): Error starting userland proxy: mkdir /port/tcp:0.0.0.0:4000:tcp:172.17.0.2:80: input/output error.**