windows 7 freezes and restarts intermittently

Please help me to fix this error urgently!
Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7600.2.0.0.768.3
Locale ID: 16393

Additional information about the problem:
BCCode: 1e
BCP1: FFFFFFFFC0000005
BCP2: FFFFF800031A3441
BCP3: 0000000000000000
BCP4: 00000000000000A8
OS Version: 6_1_7600
Service Pack: 0_0
Product: 768_1

Files that help describe the problem:
C:\Windows\Minidump\072110-20280-01.dmp
C:\Users\VISHAL\AppData\Local\Temp\WER-107796-0.sysdata.xml

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Blue Screen of Death (BSOD) Posting Instructions

Your .dmp file points to mfehidk.sys as the cause of your crash.. This is part of McAffee Antivirus.. Completely uninstall using this tool, McAffee Removal Tool, then install MSE ... Microsoft Security Essentials

Let us know if you need help...

Code:

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*                        Bugcheck Analysis                                    *
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Use !analyze -v to get detailed debugging information.

BugCheck 19, {3, fffffa800603cbb0, fa800603cbb0ffff, fffffa800603cbb0}

Unable to load image \SystemRoot\system32\drivers\mfehidk.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for mfehidk.sys
*** ERROR: Module load completed but symbols could not be loaded for mfehidk.sys
Probably caused by : Pool_Corruption ( nt!ExFreePool+75b )

Followup: Pool_corruption
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...........
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*                        Bugcheck Analysis                                    *
*                                                                             *
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Use !analyze -v to get detailed debugging information.

BugCheck 9F, {3, fffffa8003be5060, fffff80000b9c518, fffffa80041a5010}

Probably caused by : Unknown_Image ( ANALYSIS_INCONCLUSIVE )

Followup: MachineOwner
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....................
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*                        Bugcheck Analysis                                    *
*                                                                             *
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Use !analyze -v to get detailed debugging information.

BugCheck 18, {0, fffffa8003e00e30, 4, fffff8800178730f}

Probably caused by : ntkrnlmp.exe ( nt! ?? ::FNODOBFM::`string'+19f63 )

Followup: MachineOwner
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Microsoft (R) Windows Debugger Version 6.12.0002.633 X86
Copyright (c) Microsoft Corporation. All rights reserved.

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

Use !analyze -v to get detailed debugging information.

BugCheck 1E, {ffffffffc0000005, fffff800031a3441, 0, a8}

Unable to load image \SystemRoot\system32\drivers\mfehidk.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for mfehidk.sys
*** ERROR: Module load completed but symbols could not be loaded for mfehidk.sys
Probably caused by : ( mfehidk+1e219 )

Followup: MachineOwner
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