BSOD with dell inspiron n5010

[sofriendly]

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hi all,
I have laptop dell inspiron n5010 and I am using windows 7
ultimate on it and my problem is that I get blue screen of death. it occurs when
the laptop is about to complete boot, i.e. when desktop icons appear, I suspect
that its related to the wireless lan I am uisng which is alfa wireless lan model AWUS036H , I suspect it because the blue screen occurs
when the wirelsss lan utility starts to laod, i.e. it starts opening its interface
and showing signal strength of connection to my internet provider.
I updated the driver for this lan from company site and even installed updates of windows 7 but the problem still occur. it doesnt occur at fixed frequency,
sometimes it doesnt occur for many days, sometimes it occur 2 or 3 times daily.
I am confused , help me about it please.
necessary error reports are attached with this message

 

[wish]

I think U should follow this instruction and attach the dump files here
http://www.sevenforums.com/crashes-debugging/96879-blue-screen-death-bsod-posting-instructions.html