I'm getting this errors on my Server. Version MOSS 2007, on Windows Server Standar 2008 and this message appear every minute. Next, you can find its descriptions:

Can any one help me with this?

Thanks

Event ID 7888 
A runtime exception was detected. Details follow. 
Message: Attempted to perform an unauthorized operation.

Techinal Details:
System.UnauthorizedAccessException: Attempted to perform an unauthorized operation.
   at Microsoft.Office.Server.Infrastructure.SharedServiceAccessControlList.AccessCheckThrowIfUnauthorized(SharedServiceRights rights)
   at Microsoft.Office.Server.Infrastructure.SharedServiceAccessControlList.Microsoft.Office.Server.Administration.ISerializableSharedObject.GetObjectData(SharedObjectSerializationContext context)
   at Microsoft.Office.Server.Administration.SharedObjectFormatter.Serialize(XmlWriter writer, SharedObject sharedObject)
   at Microsoft.Office.Server.Administration.SharedObjectStore.PutObject(SharedObject sharedObject)
   at Microsoft.Office.Server.Administration.SharedObject.Update()
   at Microsoft.Office.Server.Infrastructure.SharedServiceAccessControlList.EnsureFullPermissionSet(String principalName)
   at Microsoft.Office.Server.Administration.SharedResourceProvider.SynchronizeSharedServiceAccessControlList()
   at Microsoft.Office.Server.Administration.SharedResourceProvider.Microsoft.Office.Server.Administration.ISharedComponent.Synchronize()

Event ID 6641
    The SSP Timer Job Distribution List Import Job was not run.

    Reason: Index was outside the bounds of the array.

    Technical Support Details:
    System.IndexOutOfRangeException: Index was outside the bounds of the array.
       at Microsoft.Office.Server.Utilities.WindowsSecurity.GetUserTokenFromCredentials(String userDomainName, String password, LogonType logonType)
       at Microsoft.Office.Server.Utilities.WindowsSecurity.GetUserTokenFromCredentials(String userDomainName, String password)
       at Microsoft.Office.Server.Administration.JobHandler.Execute(Object state, Boolean timedOut)

Event ID 6102:
LoadBalancer.RegisterLauncher failed:  Unable to connect to the remote server