The host network interface with the given name could not be found

Finally ! i solved it ! Here is the solution :

1- I run VBox-Win10-fix-14040.exe as Admin (See this Discussion)

2- Run the VirtualBox.exe as Admin + Compatibility with Windows 7

3- And Vagrant up :)

That's it !

Simple solution: Delete the already created (default) Host only Ethernet Adapter from VirtualBox Preferences and run sh launch.sh (if you received error while installing Mirantis Openstack package).

P.S. I don't see a reason why it shouldn't work for Vagrant as well.