Vagrant Laravel Homestead - error when running vagrant up

I have followed the tutorial on https://laravel.com/docs/5.0/homestead and when running the step 'vagrant up', I get the following error message (below) Any ideas what the problem is? Running latest version of Oracle VirtualBox and the latest version of Vagrant. Regards

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C:\Users\Anders\Vagrant\Homestead>vagrant up
Bringing machine 'default' up with 'virtualbox' provider...
==> default: Importing base box 'laravel/homestead'...
==> default: Matching MAC address for NAT networking...
==> default: Checking if box 'laravel/homestead' is up to date...
==> default: Setting the name of the VM: homestead-7
==> default: Clearing any previously set network interfaces...
==> default: Preparing network interfaces based on configuration...
    default: Adapter 1: nat
    default: Adapter 2: hostonly
==> default: Forwarding ports...
    default: 80 (guest) => 8000 (host) (adapter 1)
    default: 443 (guest) => 44300 (host) (adapter 1)
    default: 3306 (guest) => 33060 (host) (adapter 1)
    default: 5432 (guest) => 54320 (host) (adapter 1)
    default: 22 (guest) => 2222 (host) (adapter 1)
==> default: Running 'pre-boot' VM customizations...
==> default: Booting VM...
==> default: Waiting for machine to boot. This may take a few minutes...
    default: SSH address: 127.0.0.1:2222
    default: SSH username: vagrant
    default: SSH auth method: private key
    default:
    default: Vagrant insecure key detected. Vagrant will automatically replace
    default: this with a newly generated keypair for better security.
    default:
    default: Inserting generated public key within guest...
    default: Removing insecure key from the guest if it's present...
    default: Key inserted! Disconnecting and reconnecting using new SSH key...
==> default: Machine booted and ready!
GuestAdditions versions on your host (5.0.16) and guest (5.0.12) do not match.
Reading package lists...
Building dependency tree...
Reading state information...
dkms is already the newest version.
linux-headers-3.19.0-25-generic is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 3 not upgraded.
Copy iso file C:\Program Files\Oracle\VirtualBox\VBoxGuestAdditions.iso into the
 box /tmp/VBoxGuestAdditions.iso
mount: block device /tmp/VBoxGuestAdditions.iso is write-protected, mounting rea
d-only
Installing Virtualbox Guest Additions 5.0.16 - guest version is 5.0.12
Verifying archive integrity... All good.
Uncompressing VirtualBox 5.0.16 Guest Additions for Linux............
VirtualBox Guest Additions installer
Removing installed version 5.0.12 of VirtualBox Guest Additions...
Stopping VirtualBox Additions ...fail!
(Cannot unload module vboxguest)
Removing existing VirtualBox DKMS kernel modules ...done.
Removing existing VirtualBox non-DKMS kernel modules ...done.
Stopping VirtualBox Guest Addition service  ...done.
Copying additional installer modules ...
Installing additional modules ...
Removing existing VirtualBox DKMS kernel modules ...done.
Removing existing VirtualBox non-DKMS kernel modules ...done.
Building the VirtualBox Guest Additions kernel modules ...done.
Doing non-kernel setup of the Guest Additions ...done.
You should restart your guest to make sure the new modules are actually used

Installing the Window System drivers
Could not find the X.Org or XFree86 Window System, skipping.
An error occurred during installation of VirtualBox Guest Additions 5.0.16. Some
 functionality may not work as intended.
In most cases it is OK that the "Window System drivers" installation failed.
==> default: Checking for guest additions in VM...
==> default: Setting hostname...
==> default: Configuring and enabling network interfaces...
==> default: Mounting shared folders...
    default: /vagrant => C:/Users/Anders/Vagrant/Homestead
    default: /home/vagrant/Code => C:/Users/Anders/Code
Failed to mount folders in Linux guest. This is usually because
the "vboxsf" file system is not available. Please verify that
the guest additions are properly installed in the guest and
can work properly. The command attempted was:

mount -t vboxsf -o uid=`id -u vagrant`,gid=`getent group vagrant | cut -d: -f3`,
actimeo=1 home_vagrant_Code /home/vagrant/Code
mount -t vboxsf -o uid=`id -u vagrant`,gid=`id -g vagrant`,actimeo=1 home_vagran
t_Code /home/vagrant/Code

The error output from the last command was:

unknown mount option `actimeo=1'
valid options:
  rw         mount read write (default)
  ro         mount read only
  uid       =<arg> default file owner user id
  gid       =<arg> default file owner group id
  ttl       =<arg> time to live for dentry
  iocharset =<arg> i/o charset (default utf8)
  convertcp =<arg> convert share name from given charset to utf8
  dmode     =<arg> mode of all directories
  fmode     =<arg> mode of all regular files
  umask     =<arg> umask of directories and regular files
  dmask     =<arg> umask of directories
  fmask     =<arg> umask of regular files

C:\Users\Anders\Vagrant\Homestead>

--

vagrant file:

--

require 'json'
require 'yaml'

VAGRANTFILE_API_VERSION = "2"
confDir = $confDir ||= File.expand_path("~/.homestead")

homesteadYamlPath = confDir + "/Homestead.yaml"
homesteadJsonPath = confDir + "/Homestead.json"
afterScriptPath = confDir + "/after.sh"
aliasesPath = confDir + "/aliases"

require File.expand_path(File.dirname(__FILE__) + '/scripts/homestead.rb')

Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
    if File.exists? aliasesPath then
        config.vm.provision "file", source: aliasesPath, destination: "~/.bash_aliases"
    end

    if File.exists? homesteadYamlPath then
        Homestead.configure(config, YAML::load(File.read(homesteadYamlPath)))
    elsif File.exists? homesteadJsonPath then
        Homestead.configure(config, JSON.parse(File.read(homesteadJsonPath)))
    end

    if File.exists? afterScriptPath then
        config.vm.provision "shell", path: afterScriptPath
    end
end

--

yaml file:

--

---
ip: "192.168.10.10"
memory: 2048
cpus: 1
provider: virtualbox

authorize: ~/Vagrant/Homestead/homestead.pub

keys:
    - ~/.ssh/id_rsa

folders:
    - map: ~/Code
      to: /home/vagrant/Code
      type: "nfs"

sites:
    - map: homestead.app
      to: /home/vagrant/Code/Laravel/public
      hhvm: true

databases:
    - homestead