Laravel Homestead hangs by SSH Auth method

I have a problem with Laravel Homestead on Windows 7. When I start vagrant, it hangs on:

SSH auth method: private key

I don’t know why this is so. I've tried a number of solutions. Here's the auth stuff from my homestead.yaml file:

authorize: C:/Users/Kim.Ward/.ssh/id_rsa.pub

keys:
    - C:/Users/Kim.Ward/.ssh/id_rsa

      

        
        
        
      

    

I've also tried:

authorize: ~/.ssh/id_rsa.pub

keys:
    - ~/.ssh/id_rsa

      

        
        
        
      

    

I tried to add:

   config.ssh.private_key_path = "C:/Users/Kim.Ward/.ssh/id_rsa"

      

        
        
        
      

    

and

config.ssh.username = "vagrant"
config.ssh.password = "vagrant"

      

        
        
        
      

    

I can confirm that virtualization is enabled and I am using an i5 6500.

If I check the virtual box while the window is loading, I see a login prompt in the preview window. I can also double click the instance in the virtual box and it will open and allow me to login, but it doesn't seem like the setup process is complete.

I am using Virtual Box version 5.1.18 and Vagrant v1.9.1. I've tried with other minor versions.

Any help would be greatly appreciated. I'm running out of ideas for this moment.

Thank,

Kim