random BSOD on my new Dell Latitude E6520

it has been around one month since i have got my new Dell Latitude E6520 laptop.
On my machine i am randomly getting Blue screen of death error.
My first thought was that it is being caused by connectify. now i have uninstalled it, but still i am getting the BSOD.
The frequency is low and there is no specific incident when it occurs.
I went through some threads but could not get a solution for my problem. Need help from experts now.

I am attaching the DMP files from minidump.


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