BlueScreen windows 7

Bonjour,
Voila mon probleme.Mon PC HP 620 ;2RAM ;2 PRSESSEURS 2.10GHz, windows 7 32.
Ce matin j'ai retirer mon modem 3G IAM et o meme temps mon ordi fait apparetre un bluescreen.Je l'ai allumer et un message apparer: windows a redemarre sans planification (je ne me souviens pas bien du message mais c'est se que j'ai compris).
j'ai telecharger whocrashed est il ma afficher se rapport:

Crash dump directory: C:\windows\Minidump

Crash dumps are enabled on your computer.


On Sat 8/20/2011 5:20:47 AM GMT your computer crashed
crash dump file: C:\windows\Minidump\082011-19952-01.dmp
This was probably caused by the following module: ewusbnet.sys (ewusbnet+0x2DBC)
Bugcheck code: 0x50 (0xFFFFFFFFFFFFFFFC, 0x8, 0xFFFFFFFFFFFFFFFC, 0x0)
Error: PAGE_FAULT_IN_NONPAGED_AREA
file path: C:\windows\system32\drivers\ewusbnet.sys
product: Huawei Technologies Co., Ltd. USB NDIS Miniport Driver
company: Huawei Technologies Co., Ltd.
description: USB NDIS Miniport Driver
Bug check description: This indicates that invalid system memory has been referenced.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.
A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: ewusbnet.sys (USB NDIS Miniport Driver, Huawei Technologies Co., Ltd.).
Google query: ewusbnet.sys Huawei Technologies Co., Ltd. PAGE_FAULT_IN_NONPAGED_AREA