title: VirtualBox: VERR_VM_DRIVER_NOT_INSTALLED
body: <p>I am trying to launch two VMs using docker machine:</p>
  
  <pre><code>docker-machine create --driver virtualbox myvm1
  docker-machine create --driver virtualbox myvm2
  </code></pre>
  
  <p>I see the following error in the output:</p>
  
  <pre><code>(myvm2) Progress state: NS_ERROR_FAILURE
  (myvm2) VBoxManage: error: Failed to create the host-only adapter
  (myvm2) VBoxManage: error: VBoxNetAdpCtl: Error while adding new interface: failed to open /dev/vboxnetctl: No such file or directory
  (myvm2) VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component HostNetworkInterfaceWrap, interface IHostNetworkInterface
  (myvm2) VBoxManage: error: Context: "RTEXITCODE handleCreate(HandlerArg *)" at line 94 of file VBoxManageHostonly.cpp
  (myvm2)
  (myvm2) This is a known VirtualBox bug. Let's try to recover anyway...
  Error creating machine: Error in driver during machine creation: Error setting up host only network on machine start: The host-only adapter we just created is not visible. This is a well known VirtualBox bug. You might want to uninstall it and reinstall at least version 5.0.12 that is is supposed to fix this issue
  </code></pre>
  
  <p>I installed the latest version of VirtualBox (6.0.0) <a href="https://www.virtualbox.org/wiki/Downloads" rel="noreferrer">from there</a>. When I open VirtualBox window and click on the VMs in the left panel I get the following error popup:</p>
  
  <p><a href="https://i.stack.imgur.com/8BE80.png" rel="noreferrer"><img src="https://i.stack.imgur.com/8BE80.png" alt="enter image description here"></a></p>
  
  <p><strong>UPDATE</strong></p>
  
  <p>I tried to re-install VirtualBox 6.0.0 and in the end of the VirtualBox installation process I saw the following screen:</p>
  
  <p><a href="https://i.stack.imgur.com/OOE40.png" rel="noreferrer"><img src="https://i.stack.imgur.com/OOE40.png" alt="enter image description here"></a></p>
  
  <p>Maybe it is a reason of the failures described above? My mac is running on 10.14.1 macOS Mojave</p>
  
  <p>How can I fix these errors?</p>