Docker is throwing below error message while running below commands

Hi Team,

Docker is throwing below error message while running below commands. Can you please let me know why it is throwing error message ?

Command :-

PS C:\Users\Test> docker run -d --name selenium-hub -p 4444:4444 selenium/hub

Error Message :-

Unable to find image ‘selenium/hub:latest’ locally
Pulling repository docker.io/selenium/hub
C:\Program Files\Docker\Docker\Resources\bin\docker.exe: Error while pulling image: Get https://index.docker.io/v1/repositories/selenium/hub/images: Method Not Allowed.
See ‘C:\Program Files\Docker\Docker\Resources\bin\docker.exe run --help’.
PS C:\Users\Test>

Details :-

OS : Windows 10
Docker Version : 1.12.1
API version : 1.24
Go version : go1.6.3
Git commit : 23cf638
OS/Arch : windows/amd64
Windows Powershell 2015 version

Regards,
Poovaraj