Why won't virtualbox pick up vagrant homestead?

Question

virtual box

This problem is tormenting me for the second day. and I can't really google the solution.
can anyone come across and decide? please share.
win7u x64
virtualbox: latest
vagrant: latest
hashicorp homestead: latest

C:\HashiCorp\HS>vagrant up
Bringing machine 'homestead-7' up with 'virtualbox' provider...
==> homestead-7: Checking if box 'laravel/homestead' is up to date...
==> homestead-7: Clearing any previously set forwarded ports...
==> homestead-7: Clearing any previously set network interfaces...
==> homestead-7: Preparing network interfaces based on configuration...
    homestead-7: Adapter 1: nat
    homestead-7: Adapter 2: hostonly
==> homestead-7: Forwarding ports...                                                                                             13:26
    homestead-7: 80 (guest) => 8000 (host) (adapter 1)
    homestead-7: 443 (guest) => 44300 (host) (adapter 1)
    homestead-7: 3306 (guest) => 33060 (host) (adapter 1)
    homestead-7: 4040 (guest) => 4040 (host) (adapter 1)
    homestead-7: 5432 (guest) => 54320 (host) (adapter 1)
    homestead-7: 8025 (guest) => 8025 (host) (adapter 1)
    homestead-7: 27017 (guest) => 27017 (host) (adapter 1)
    homestead-7: 22 (guest) => 2222 (host) (adapter 1)
==> homestead-7: Running 'pre-boot' VM customizations...
==> homestead-7: Booting VM...
There was an error while executing `VBoxManage`, a CLI used by Vagrant
for controlling VirtualBox. The command and stderr is shown below.

Command: ["startvm", "4642a51f-b775-4b30-b539-486ce72a6d31", "--type", "headless"]

Stderr: VBoxManage.exe: error: The configuration constructor in main failed due to a COM error. Check the release log of the VM for further details. (VERR_MAIN_CONFIG_CONSTRUCTOR_COM_ERROR)
VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component ConsoleWrap, interface IConsole