In Vista, Event Viewer shows "An attempt was made to unregister a security event source."

NEED SOME HELP

PC was running high so I checked my event viewer. I do not think this was the problem, but it is odd to me!

Maybe it is normal

Thanks

Log Name:      Security

Source:        Microsoft-Windows-Security-Auditing

Date:          5/17/2011 6:19:13 AMEvent ID:      4905

Task Category: Audit Policy Change

Level:         Information

Keywords:      Audit Success

User:          N/A

Computer:      ********-PC

Description:

An attempt was made to unregister a security event source.

Subject

 Security ID:  SYSTEM

 Account Name:  *******-PC$

 Account Domain:  WORKGROUP

 Logon ID:  0x3e7

Process:

 Process ID: 0x470

 Process Name: C:\Windows\System32\VSSVC.exe

Event Source:

 Source Name: VSSAudit

 Event Source ID: 0x7cec0d

Event Xml:

<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">

  <System>

    <Provider Name="Microsoft-Windows-Security-Auditing" Guid="{54849625-5478-4994-a5ba-3e3b0328c30d}" />

    <EventID>4905</EventID>

    <Version>0</Version>

    <Level>0</Level>

    <Task>13568</Task>

    <Opcode>0</Opcode>

    <Keywords>0x8020000000000000</Keywords>

    <TimeCreated SystemTime="2011-05-17T10:19:13.867Z" />

    <EventRecordID>167</EventRecordID>

    <Correlation />

    <Execution ProcessID="692" ThreadID="836" />

    <Channel>Security</Channel>

    <Computer>*******-PC</Computer>

    <Security />

  </System>

  <EventData>

    <Data Name="SubjectUserSid">S-1-5-18</Data>

    <Data Name="SubjectUserName">******-PC$</Data>

    <Data Name="SubjectDomainName">WORKGROUP</Data>

    <Data Name="SubjectLogonId">0x3e7</Data>

    <Data Name="AuditSourceName">VSSAudit</Data>

    <Data Name="EventSourceId">0x7cec0d</Data>

    <Data Name="ProcessId">0x470</Data>

    <Data Name="ProcessName">C:\Windows\System32\VSSVC.exe</Data>

  </EventData>

</Event>

THIS WAS BEFORE

Log Name:      Security

Source:        Microsoft-Windows-Security-Auditing

Date:        5/17/2011 6:18:14 AMEvent ID:      4672

Task Category: Special Logon

Level:         Information

Keywords:      Audit Success

User:          N/A

Computer:      ******-PC

Description:

Special privileges assigned to new logon.

Subject:

 Security ID:  SYSTEM

 Account Name:  SYSTEM

 Account Domain:  NT AUTHORITY

 Logon ID:  0x3e7

Privileges:  SeAssignPrimaryTokenPrivilege

   SeTcbPrivilege

   SeSecurityPrivilege

   SeTakeOwnershipPrivilege

   SeLoadDriverPrivilege

   SeBackupPrivilege

   SeRestorePrivilege

   SeDebugPrivilege

   SeAuditPrivilege

   SeSystemEnvironmentPrivilege

   SeImpersonatePrivilege

Event Xml:

<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">

  <System>

    <Provider Name="Microsoft-Windows-Security-Auditing" Guid="{54849625-5478-4994-a5ba-3e3b0328c30d}" />

    <EventID>4672</EventID>

    <Version>0</Version>

    <Level>0</Level>

    <Task>12548</Task>

    <Opcode>0</Opcode>

    <Keywords>0x8020000000000000</Keywords>

    <TimeCreated SystemTime="2011-05-17T10:18:14.041Z" />

    <EventRecordID>165</EventRecordID>

    <Correlation />

    <Execution ProcessID="692" ThreadID="1852" />

    <Channel>Security</Channel>

    <Computer>*******-PC</Computer>

    <Security />

  </System>

  <EventData>

    <Data Name="SubjectUserSid">S-1-5-18</Data>

    <Data Name="SubjectUserName">SYSTEM</Data>

    <Data Name="SubjectDomainName">NT AUTHORITY</Data>

    <Data Name="SubjectLogonId">0x3e7</Data>

    <Data Name="PrivilegeList">SeAssignPrimaryTokenPrivilege

   SeTcbPrivilege

   SeSecurityPrivilege

   SeTakeOwnershipPrivilege

   SeLoadDriverPrivilege

   SeBackupPrivilege

   SeRestorePrivilege

   SeDebugPrivilege

   SeAuditPrivilege

   SeSystemEnvironmentPrivilege

   SeImpersonatePrivilege</Data>

  </EventData>

</Event>