Genymotion error with virtual box

Hi,

I have probleme in genymotion, when i want lunch a device in Genymotion, i have this message ?
https://www.dropbox.com/s/counwr0dcademl6/Capture%20d%27%C3%A9cran%202014-11-29%2013.29.48.png?dl=0

I get these errors all the time, it takes a few tries before it launches the emulator. Just make sure the VM’s state is off before launching it from Genymotion