Thanks to the four people who have posted suggestions. As we are having
much hotter weather than usual overheating may well be the problem,
although
the CPU and PSU fans seem to be working correctly, I will have a go at
running the computer with covers remved to get more air to it to see if
that
makes any difference.
The errors noted in the log file are as follows :-
Log Name: System
Source: Microsoft-Windows-HttpEvent
Date: 28/07/2008 08:22:08
Event ID: 15016
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: Business
Description:
Unable to initialize the security package Kerberos for server side
authentication. The data field contains the error number.
Event Xml:
<Event xmlns="
http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-HttpEvent"
Guid="{7b6bc78c-898b-4170-bbf8-1a469ea43fc5}" EventSourceName="HTTP" />
<EventID Qualifiers="49152">15016</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2008-07-28T07:22:08.537Z" />
<EventRecordID>520707</EventRecordID>
<Correlation />
<Execution ProcessID="4" ThreadID="68" />
<Channel>System</Channel>
<Computer>Business</Computer>
<Security />
</System>
<EventData>
<Data Name="DeviceObject">\Device\Http\ReqQueue</Data>
<Data Name="SecurityPackage">Kerberos</Data>
<Binary>000004000200300000000000A83A00C00000000000000000000000000000000000000000000000000E030980</Binary>
</EventData>
</Event>
_____________________________________________________________________
Log Name: System
Source: EventLog
Date: 28/07/2008 08:21:51
Event ID: 6008
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: Business
Description:
The previous system shutdown at 00:08:18 on 28/07/2008 was unexpected.
Event Xml:
<Event xmlns="
http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="EventLog" />
<EventID Qualifiers="32768">6008</EventID>
<Level>2</Level>
<Task>0</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2008-07-28T07:21:51.000Z" />
<EventRecordID>520701</EventRecordID>
<Channel>System</Channel>
<Computer>Business</Computer>
<Security />
</System>
<EventData>
<Data>00:08:18</Data>
<Data>28/07/2008</Data>
<Data>
</Data>
<Data>
</Data>
<Data>955524</Data>
<Data>
</Data>
<Data>
</Data>
<Binary>D807070001001C000000080012009800D807070000001B001700080012009800600900003C000000010000006009000000000000B004000001000000DEFFFFFF</Binary>
</EventData>
</Event>
____________________________________________________________________
Log Name: System
Source: Microsoft-Windows-HttpEvent
Date: 28/07/2008 09:10:43
Event ID: 15016
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: Business
Description:
Unable to initialize the security package Kerberos for server side
authentication. The data field contains the error number.
Event Xml:
<Event xmlns="
http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-HttpEvent"
Guid="{7b6bc78c-898b-4170-bbf8-1a469ea43fc5}" EventSourceName="HTTP" />
<EventID Qualifiers="49152">15016</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2008-07-28T08:10:43.591Z" />
<EventRecordID>520824</EventRecordID>
<Correlation />
<Execution ProcessID="4" ThreadID="56" />
<Channel>System</Channel>
<Computer>Business</Computer>
<Security />
</System>
<EventData>
<Data Name="DeviceObject">\Device\Http\ReqQueue</Data>
<Data Name="SecurityPackage">Kerberos</Data>
<Binary>000004000200300000000000A83A00C00000000000000000000000000000000000000000000000000E030980</Binary>
</EventData>
</Event>
___________________________________________________________________-
Log Name: Microsoft-Windows-CodeIntegrity/Operational
Source: Microsoft-Windows-CodeIntegrity
Date: 28/07/2008 09:11:21
Event ID: 3002
Task Category: (1)
Level: Error
Keywords:
User: SYSTEM
Computer: Business
Description:
Code Integrity is unable to verify the image integrity of the file
\Device\HarddiskVolume1\Windows\System32\drivers\tcpip.sys because the set
of
per-page image hashes could not be found on the system.
Event Xml:
<Event xmlns="
http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-CodeIntegrity"
Guid="{4ee76bd8-3cf4-44a0-a0ac-3937643e37a3}" />
<EventID>3002</EventID>
<Version>0</Version>
<Level>2</Level>
<Task>1</Task>
<Opcode>102</Opcode>
<Keywords>0x8000000000000000</Keywords>
<TimeCreated SystemTime="2008-07-28T08:11:21.705Z" />
<EventRecordID>638</EventRecordID>
<Correlation />
<Execution ProcessID="3160" ThreadID="3244" />
<Channel>Microsoft-Windows-CodeIntegrity/Operational</Channel>
<Computer>Business</Computer>
<Security UserID="S-1-5-18" />
</System>
<EventData>
<Data Name="FileNameLength">58</Data>
<Data
Name="FileNameBuffer">\Device\HarddiskVolume1\Windows\System32\drivers\tcpip.sys</Data>
</EventData>
</Event>
___________________________________________________________________
Log Name: Microsoft-Windows-Diagnostics-Performance/Operational
Source: Microsoft-Windows-Diagnostics-Performance
Date: 28/07/2008 08:27:02
Event ID: 100
Task Category: Boot Performance Monitoring
Level: Critical
Keywords: Event Log
User: LOCAL SERVICE
Computer: Business
Description:
Windows has started up:
Boot Duration : 146480ms
IsDegradation : false
Incident Time (UTC) : 28/07/2008 07:21:12
Event Xml:
<Event xmlns="
http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="Microsoft-Windows-Diagnostics-Performance"
Guid="{cfc18ec0-96b1-4eba-961b-622caee05b0a}" />
<EventID>100</EventID>
<Version>1</Version>
<Level>1</Level>
<Task>4002</Task>
<Opcode>34</Opcode>
<Keywords>0x8000000000010000</Keywords>
<TimeCreated SystemTime="2008-07-28T07:27:02.512Z" />
<EventRecordID>964</EventRecordID>
<Correlation ActivityID="{00000000-E6C8-0000-0B3D-BB8382F0C801}" />
<Execution ProcessID="476" ThreadID="768" />
<Channel>Microsoft-Windows-Diagnostics-Performance/Operational</Channel>
<Computer>Business</Computer>
<Security UserID="S-1-5-19" />
</System>
<EventData>
<Data Name="BootTsVersion">2</Data>
<Data Name="BootStartTime">2008-07-28T07:21:12.656Z</Data>
<Data Name="BootEndTime">2008-07-28T07:26:43.742Z</Data>
<Data Name="SystemBootInstance">110</Data>
<Data Name="UserBootInstance">104</Data>
<Data Name="BootTime">146480</Data>
<Data Name="MainPathBootTime">52880</Data>
<Data Name="BootKernelInitTime">23</Data>
<Data Name="BootDriverInitTime">14804</Data>
<Data Name="BootDevicesInitTime">3375</Data>
<Data Name="BootPrefetchInitTime">61559</Data>
<Data Name="BootPrefetchBytes">539680768</Data>
<Data Name="BootAutoChkTime">0</Data>
<Data Name="BootSmssInitTime">14417</Data>
<Data Name="BootCriticalServicesInitTime">1481</Data>
<Data Name="BootUserProfileProcessingTime">5907</Data>
<Data Name="BootMachineProfileProcessingTime">76</Data>
<Data Name="BootExplorerInitTime">7070</Data>
<Data Name="BootNumStartupApps">13</Data>
<Data Name="BootPostBootTime">93600</Data>
<Data Name="BootIsRebootAfterInstall">false</Data>
<Data Name="BootRootCauseStepImprovementBits">0</Data>
<Data Name="BootRootCauseGradualImprovementBits">8</Data>
<Data Name="BootRootCauseStepDegradationBits">0</Data>
<Data Name="BootRootCauseGradualDegradationBits">64</Data>
<Data Name="BootIsDegradation">false</Data>
<Data Name="BootIsStepDegradation">false</Data>
<Data Name="BootIsGradualDegradation">false</Data>
<Data Name="BootImprovementDelta">0</Data>
<Data Name="BootDegradationDelta">0</Data>
<Data Name="BootIsRootCauseIdentified">true</Data>
</EventData>
</Event>
I think the first one has appeared just before shutting down the last
couple
of times but I only seem to have about half an hour in which to work with
the
computer before it shuts down.
Viv