solves the vboxnet0 error

README.md

@@ -25,12 +25,13 @@ For testing VirtualBox, we have developed a small virtual image that should run
 
 ![The result that should be obtained](evaluate.png)
 
+If some tests fail, please find your problem below and a possible solution.
+
 - Shutdown the VM
 
 ![Shutdown the VM](shutdown.png)
 
-
-If not, please find your problem below and a possible solution.
+You are now ready with your VirtualBox installation :)
 
 ## Problems and solutions
 
@@ -50,6 +51,17 @@ In windows 10, you should:
 
 This [page](https://www.shaileshjha.com/step-by-step-guide-to-enable-intel-vt-x-or-amd-v-in-bios-or-uefi-in-windows-10-and-windows-8/) should help you.
 
+#### Error: vboxnet0 (adapater 2)
+
+![vboxnet0 missing](private_network_missing.png)
+
+The VM does not start because the private network vboxnet0 have not been created.
+
+- Go to File > Host network manager
+- Create the vboxnet0 network using the Create button
+
+![create vboxnet0](create_vboxnet0.png]
+
 #### USB problem
 
 You should install the extension pack. Go on [this page](https://www.virtualbox.org/wiki/Downloads) and click the VirtualBox X.Y.Z Oracle VM VirtualBox Extension Pack and follow the instructions.