diff --git a/README.md b/README.md
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+++ b/README.md
@@ -21,3 +21,33 @@ For testing VirtualBox, we have developed a small virtual image that should run
 If not, please find your problem below and a possible solution.
 
 ## Problems and solutions
+
+### The VM does not start and Virtualbox displays an error
+
+#### VT-X is missing
+
+![VT-X is missing](vtx_not_installed.png)
+
+You should enable the intel VT-x instructions in your BIOS.
+
+In windows 10, you should:
+
+- go to the update screen of Windows
+- reboot into the BIOS
+- activate intel VT-x
+
+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.
+
+#### 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.
+
+### The VM starts and it shows an error
+
+#### eth1
+
+### Other problems
+
+#### Cannot exit the mouse from the VM
+
+By default the key "Ctrl" on the right, asks Virtualbox to exit from the VirtualBox window. If your keyboard has no right Ctrl key, you should customize the key in the preferences of Virtualbox.
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