BSOD Kernel-power41(63)- need solution

Help! This is driving me crazy. I've had 11 BSOD in the last month, ever since I built my new computer and installed W7 32bit.

Every single one ideitifies its source as: Kernel-power 41(63)

It first happened when I used Windows Live to download my emails, then it occured a couple of times while downloading a patch update for World of Warcraft. It's also happened at my loggin screen before I've even entered my password.

My hardware info is as follows:
Motherboard: MSi P55-CD53
CPU: Intel core i5-750 processor
PSU: Hiper 800w
RAM: Corsair xms3 4gb (2x2gb) DDR3
Graphics: Nvidia GeForce 8800 GTS
My partner thinks it's a psu problem but I haven't come across any forums reporting a problem with Hiper PSUs. I've read other forums who say it could be my anti-virus AVG.

The error report I last got was:
Log Name: System
Source: Microsoft-Windows-Kernel-Power
Date: 28/11/2009 15:50:35
Event ID: 41
Task Category: (63)
Level: Critical
Keywords: (2)
User: SYSTEM
Computer: Helen-PC
Description:
The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331C3B3A-2005-44C2-AC5E-77220C37D6B4}" />
<EventID>41</EventID>
<Version>2</Version>
<Level>1</Level>
<Task>63</Task>
<Opcode>0</Opcode>
<Keywords>0x8000000000000002</Keywords>
<TimeCreated SystemTime="2009-11-28T15:50:35.139218700Z" />
<EventRecordID>11297</EventRecordID>
<Correlation />
<Execution ProcessID="4" ThreadID="8" />
<Channel>System</Channel>
<Computer>Helen-PC</Computer>
<Security UserID="S-1-5-18" />
</System>
<EventData>
<Data Name="BugcheckCode">209</Data>
<Data Name="BugcheckParameter1">0x0</Data>
<Data Name="BugcheckParameter2">0x4</Data>
<Data Name="BugcheckParameter3">0x1</Data>
<Data Name="BugcheckParameter4">0x91208ace</Data>
<Data Name="SleepInProgress">false</Data>
<Data Name="PowerButtonTimestamp">0</Data>
</EventData>
</Event>

Please help!! This last crash was in the middle of a game so it's starting to get very annoying now. Any assistance/advice you can give me would be greatly appreciated. :)

Most recent dmp file zipped and attached as requested.

Please let me know if you need anything else.

:)

It's still happening and I wondered if you have any ideas on a soloution. Here's a copy of the last crash:

Log Name: System
Source: Microsoft-Windows-Kernel-Power
Date: 17/12/2009 18:57:20
Event ID: 41
Task Category: (63)
Level: Critical
Keywords: (2)
User: SYSTEM
Computer: Helen-PC
Description:
The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-Kernel-Power" Guid="{331C3B3A-2005-44C2-AC5E-77220C37D6B4}" />
<EventID>41</EventID>
<Version>2</Version>
<Level>1</Level>
<Task>63</Task>
<Opcode>0</Opcode>
<Keywords>0x8000000000000002</Keywords>
<TimeCreated SystemTime="2009-12-17T18:57:20.259224200Z" />
<EventRecordID>15701</EventRecordID>
<Correlation />
<Execution ProcessID="4" ThreadID="8" />
<Channel>System</Channel>
<Computer>Helen-PC</Computer>
<Security UserID="S-1-5-18" />
</System>
<EventData>
<Data Name="BugcheckCode">25</Data>
<Data Name="BugcheckParameter1">0x20</Data>
<Data Name="BugcheckParameter2">0x8796e720</Data>
<Data Name="BugcheckParameter3">0x8796ec70</Data>
<Data Name="BugcheckParameter4">0x8aa000a</Data>
<Data Name="SleepInProgress">false</Data>
<Data Name="PowerButtonTimestamp">0</Data>
</EventData>
</Event>

Please it's getting v frustrating. Thought updating the bios had sorted it but obviously not.

I had exactly the same problem with the same error code.I always suspected my drivers but apparently they weren't.Have you checked the right timing of your ram, because my problem was that my rams were working at default settings which was 1333 mhz, I chose XMP(Extreme Memory Profile) in Bios and they are working at 1600 mhz now since then I haven't got a Bsod.May be worth trying....

If your rams are overclocked at factory settings and if you are using them at default settings they may not be taking the required voltage and that may be causing Bsods as it was in my problem....

And my board is P55 as well, so you must have the same setting in Bios, I recommend giving it a try and check cpu temperature with realtemp or coretemp just in case...

I also experienced the same kernel power event id 41 freezing. The solution for me too was to adjust memory speed, but in my case unfortunately I had to lower the memory speed from 1333 MHz to 1066 MHz.