Kernel Power Event 41

My Windows 7, 64-bit computer (HP xw8400 Workstation) randomly reboots, whether system is idle, or worse yet, while in use. Screen goes black, then reboot begins. Becoming more frequent, oftem multiple times a day. Used SpeedFan and RealTemp to monitor temperatures- all within normal limits. Norton antivirus, Ad-Aware, other antispyware programs all check out ok. I have decreased number of USB ports in use. I have unchecked the box "Automatically restart" under System properties->System failure. I have enabled "kernel memory dump" and below is the log from Event Viewer. Haven't found a solution yet. Any ideas would be appreciated! Thanks in advance...


- <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="2011-08-05T20:38:17.747237300Z" />
<EventRecordID>368971</EventRecordID>
<Correlation />
<Execution ProcessID="4" ThreadID="8" />
<Channel>System</Channel>
<Computer>Menda</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>
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More about kernel power event
  1. hi julian
    im haveing the same issue
    Log Name: System
    Source: Microsoft-Windows-Kernel-Power
    Date: 24/10/2011 13:25:58
    Event ID: 41
    Task Category: (63)
    Level: Critical
    Keywords: (2)
    User: SYSTEM
    Computer: GARETH-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="2011-10-24T12:25:58.687500000Z" />
    <EventRecordID>135176</EventRecordID>
    <Correlation />
    <Execution ProcessID="4" ThreadID="8" />
    <Channel>System</Channel>
    <Computer>GARETH-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>
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