Blue Screen Error on my WIN7 OS

Dear Group Members,

I am facing the blue screen error since long time and not sure of what is the problem and what should I do as fix. Could you go through the the following error message and attached BSOD zip folder with all required memory dump files.

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.2.1.0.256.48
Locale ID: 1033

Additional information about the problem:
BCCode: 116
BCP1: 85DA8510
BCP2: 9A24A9B0
BCP3: 00000000
BCP4: 00000002
OS Version: 6_1_7601
Service Pack: 1_0
Product: 256_1

Files that help describe the problem:
C:\Windows\Minidump\050513-21231-01.dmp
C:\Users\harshu\AppData\Local\Temp\WER-44085-0.sysdata.xml

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Your BSODs are stop 0x116, a display related error.

Code:

*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck 116, {85da8510, 9a24a9b0, 0, 2}

*** WARNING: Unable to verify timestamp for igdkmd32.sys
*** ERROR: Module load completed but symbols could not be loaded for igdkmd32.sys
Probably caused by : igdkmd32.sys ( igdkmd32+119b0 )

Followup: MachineOwner
---------

And the display driver is very old.

Code:

9a239000 9a736000   igdkmd32 T (no symbols)           
    Loaded symbol image file: igdkmd32.sys
    Image path: igdkmd32.sys
    Image name: igdkmd32.sys
    Timestamp:        Wed May 06 23:43:40 2009 (4A01D354)
    CheckSum:         0048DF97
    ImageSize:        004FD000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4

Update the Intel HD Graphics Driver, either from our forum link, Latest Intel HD Graphics Driver for Windows 7, or You may get it from Intel Download Center.
Moreover, you may run the Intel (R) Driver Update Utility to auto detect the appropriate driver for your computer.

Let us know the results.

Yes, you need to observe it now :)
Let us know how it goes.

Good to know.
For any further issue, let us know :)