Unable to create Genymotion Virtual Device

Question

I have successfully downloaded and installed Genymotion and Virtualbox as well as a Virtual Device Image but I am unable to create a virtual device.
I get an error messa

Answer 1

Solved!!

I am using OS X 10.9 (Mavericks), Genymotion v1.3.1

While adding the device, instead of adding Nexus, I added Galaxy S4/HTC One/Xperia Z - 4.2.2 with Google Apps.

This one just worked.