Windows 7 BSOD Frequently

I am using Windows 7 RTM Version and Blue screens started to annoy me.
I installed no drivers except Realtek drivers(downloaded from my motherboard supplier).BSOD named PAGE FAULT IN NON PAGED AREA is very frequent.Please help me.....
I really like Win7 except these blue screens and they used to come even in VISTA.

Problem signature
Problem Event Name: BlueScreen
OS Version: 6.1.7600.
Locale ID: 1033

Extra information about the problem
BCCode: 24
BCP1: 001904FB
BCP2: 938BF540
BCP3: 938BF120
BCP4: 8B21C808
OS Version: 6_1_7600
Service Pack: 0_0
Product: 256_1
I have attached my Mini Dump files...
My system is
Intel Dual Core 1.80Ghz
BIOS:phonex 6.00 PG
NVIDIA GeForce7050 64MB


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