FREEZE: Event ID 41: Kernel Power

Hello, In the past month or so, I've been getting these Kernel-Power Event ID: 41 errors.

Attached is my CPU-Z hardware profile (.txt)

Code:

Log Name:      System
Source:        Microsoft-Windows-Kernel-Power
Date:          22/08/2011 6:45:40 PM
Event ID:      41
Task Category: (63)
Level:         Critical
Keywords:      (2)
User:          SYSTEM
Computer:      Wesley-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="2011-08-22T22:45:40.727607500Z" />
    <EventRecordID>6221</EventRecordID>
    <Correlation />
    <Execution ProcessID="4" ThreadID="8" />
    <Channel>System</Channel>
    <Computer>Wesley-PC</Computer>
    <Security UserID="S-1-5-18" />
  </System>
  <EventData>
    <Data Name="BugcheckCode">0</Data>
    <Data Name="BugcheckParameter1">0x0</Data>
    <Data Name="BugcheckParameter2">0x0</Data>
    <Data Name="BugcheckParameter3">0x0</Data>
    <Data Name="BugcheckParameter4">0x0</Data>
    <Data Name="SleepInProgress">false</Data>
    <Data Name="PowerButtonTimestamp">0</Data>
  </EventData>
</Event>

Code:

Log Name:      Microsoft-Windows-Kernel-EventTracing/Admin
Source:        Microsoft-Windows-Kernel-EventTracing
Date:          22/08/2011 6:45:42 PM
Event ID:      3
Task Category: Session
Level:         Error
Keywords:      Session
User:          SYSTEM
Computer:      Wesley-PC
Description:
Session "Microsoft Security Client OOBE" stopped due to the following error: 0xC000000D
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-Kernel-EventTracing" Guid="{B675EC37-BDB6-4648-BC92-F3FDC74D3CA2}" />
    <EventID>3</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>2</Task>
    <Opcode>14</Opcode>
    <Keywords>0x8000000000000010</Keywords>
    <TimeCreated SystemTime="2011-08-22T22:45:42.147210000Z" />
    <EventRecordID>26</EventRecordID>
    <Correlation />
    <Execution ProcessID="4" ThreadID="200" />
    <Channel>Microsoft-Windows-Kernel-EventTracing/Admin</Channel>
    <Computer>Wesley-PC</Computer>
    <Security UserID="S-1-5-18" />
  </System>
  <EventData>
    <Data Name="SessionName">Microsoft Security Client OOBE</Data>
    <Data Name="FileName">C:\ProgramData\Microsoft\Microsoft Security Client\Support\EppOobe.etl</Data>
    <Data Name="ErrorCode">3221225485</Data>
    <Data Name="LoggingMode">5</Data>
  </EventData>
</Event>

Here is the BSOD Dump, even though I don't get a BSOD.