GenyMotion Unable to start the Genymotion virtual device

Question

When I run Genymotion, I get the following error:

Unable to start the Genymotion virtual device.

Unable to configure the network adapter for the v

Answer 1

For VIrtual Box 5.x - the settings from above comments are set automatically

Now for the error:

1.Make sure that you have enough Processor(s) and Base Memory - so the PC can support VM configuration(I use 1 procesor and 1024MB for all VM's)

2.Delete any unused VM from Genymotion and Oracle VirtualBox Manager - seems to reserve their configuration, though you use it or not(that specific VM)