MOSS Application Server Administration job failed

Lately on one of our web front-end Sharepoint server we have been recieving the following three events:

MS have now provided a windows 2003 hot fix for this issue.

http://support.microsoft.com/?id=946517

This will be rolled into Service Pack 3 when it is released

Event Log Errors:

Event Type: Error
Event Source: Office SharePoint Server
Event Category: Office Server Shared Services
Event ID: 6482
Date:  13/11/2008
Time:  10:06:04
User:  N/A
Computer: XX-WEB-002
Description:
Application Server Administration job failed for service instance Microsoft.Office.Server.Search.Administration.SearchAdminSharedWebServiceInstance (7d9eae57-d6f9-48d5-a776-fed34aa1a63f).

Reason: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

Techinal Support Details:
System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
   at System.DirectoryServices.Interop.UnsafeNativeMethods.IAdsContainer.GetObject(String className, String relativeName)
   at System.DirectoryServices.DirectoryEntries.Find(String name, String schemaClassName)
   at Microsoft.SharePoint.Metabase.MetabaseObjectCollection`1.Find(String name)
   at Microsoft.SharePoint.Metabase.MetabaseObjectCollection`1.get_Item(String name)
   at Microsoft.SharePoint.Administration.SPProvisioningAssistant.ProvisionIisApplicationPool(String name, ApplicationPoolIdentityType identityType, String userName, SecureString password, TimeSpan idleTimeout, TimeSpan periodicRestartTime)
   at Microsoft.SharePoint.Administration.SPMetabaseManager.ProvisionIisApplicationPool(String name, Int32 identityType, String userName, SecureString password, TimeSpan idleTimeout, TimeSpan periodicRestartTime)
   at Microsoft.Office.Server.Administration.SharedWebServiceInstance.Synchronize()
   at Microsoft.Office.Server.Administration.ApplicationServerJob.ProvisionLocalSharedServiceInstances(Boolean isAdministrationServiceJob)

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
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Event Type: Error
Event Source: Office SharePoint Server
Event Category: Office Server Shared Services
Event ID: 7076
Date:  13/11/2008
Time:  10:06:05
User:  N/A
Computer: XX-WEB-002
Description:
An exception occurred while executing the Application Server Administration job.

Message: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

Techinal Support Details:
System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
   at System.DirectoryServices.Interop.UnsafeNativeMethods.IAdsContainer.GetObject(String className, String relativeName)
   at System.DirectoryServices.DirectoryEntries.Find(String name, String schemaClassName)
   at Microsoft.SharePoint.Metabase.MetabaseObjectCollection`1.Find(String name)
   at Microsoft.SharePoint.Metabase.MetabaseObjectCollection`1.get_Item(String name)
   at Microsoft.SharePoint.Administration.SPProvisioningAssistant.ProvisionIisApplicationPool(String name, ApplicationPoolIdentityType identityType, String userName, SecureString password, TimeSpan idleTimeout, TimeSpan periodicRestartTime)
   at Microsoft.SharePoint.Administration.SPMetabaseManager.ProvisionIisApplicationPool(String name, Int32 identityType, String userName, SecureString password, TimeSpan idleTimeout, TimeSpan periodicRestartTime)
   at Microsoft.Office.Server.Administration.SharedWebServiceInstance.CreateSharedWebServiceApplicationPool(SharedResourceProvider srp)
   at Microsoft.Office.Server.Administration.ApplicationServerJob.ProvisionLocalSharedServiceInstances(Boolean isAdministrationServiceJob)

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

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Event Type: Error
Event Source: Windows SharePoint Services 3
Event Category: Timer
Event ID: 6398
Date:  13/11/2008
Time:  10:06:05
User:  N/A
Computer: XX-WEB-002
Description:
The Execute method of job definition Microsoft.Office.Server.Administration.ApplicationServerAdministrationServiceJob (ID cfd13ddc-ed1a-4eb9-baf0-30ef6bf08ce4) threw an exception. More information is included below.

Attempted to read or write protected memory. This is often an indication that other memory is corrupt.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.