What is the best method to get root access to Genymotion device?

I'm a newbie in android development. I was looking for my package database in the data/data folder.I didn't find my package in the data/data folder. I found only "con" folders. (Like below image)

I was suggested by one that my device hasn't root access. He suggested to check. I checked it by using Rootchecker. Result was "the device hasn't root access".

Then I downloaded "Genymotion configuration" to root my device. And opened it and checked the option "Always allow su access (bypass Superuser app)". And clicked on "save". It required reboot. I pressed ok for rebooting. But unfortunately this process isn't going to be stopped. Like this image-

What is the solution for my problem??