BSOD help needed- usbport.sys & driver_irql_not_less_or_equal

Hi,

I have encountered BSOD on my laptop for the past few days. It is written USBPORT.sys issue. I have tried to update all drivers but the problem is still persistent.
Can someone help to point out what is the problem? Attached are some of the minidump files.

My machine is:
Sony VGN-Z45GD
Window vista business sp2
Intel Core 2 Duo P8800@ 2.66GHz
4Gb RAM
64-bit OS
 

Attachments

  • Minidump_Sotkoon.zip
    190.2 KB · Views: 1
What are your doing when these crashes occur?

From where did you update your drivers?

What USB devices do you have installed/use?

Have you updated or installed any software recently?
 
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