Problem seems to be at Luadmin , post the lue.log here please
LiveUpdate Engine creates a log file called Log.Lue. This log can be found in the following location when LUE was run on a self-managed client:
On Windows XP and Windows server 2003:
C:\Documents and Settings\All Users\Application Data\Symantec\Symantec Endpoint Protection\<silo_id>\Data\Lue\Logs
On Windows Vista, Windows 7, and Windows Server 2008:
C:\Program Data\Symantec\Symantec Endpoint Protection\<silo_id>\Data\Lue\Logs