Nis2004

[brocher]

When i do a live update the dialog says :

The following Symantec products and components are installed on your computer.
> Ad Blocking Content Updates
> Ad Blocking Program Updates
> AntiSpam Core Components
> LiveUpdate
> Norton AntiSpam Definitions Updates
> Norton AntiVirus Professional
> Norton AntiVirus Virus Definitions
> Norton Internet Security Resource Updates
> Norton Internet Security URL updates
> Norton Internet Security program updates
> Norton Internet Security security updates
> ScriptBlocking
> Subscription Services
> Symantec Common Client Updates
> Symantec Common Driver: SymEvent
> Symantec Intrusion Detection Signatures
> Symantec Redirector
> Symantec Security Response Submission Software Updates
> Symantec Shared Components

Initializing...
Connecting to liveupdate.symantecliveupdate.com...

Downloading catalog file (1 of 27), not available.
Downloading catalog file (2 of 27), not available.
Downloading catalog file (3 of 27), not available.
Downloading catalog file (4 of 27), not available.
Downloading catalog file (5 of 27), not available.
Downloading catalog file (6 of 27), not available.
Downloading catalog file (7 of 27), not available.
Downloading catalog file (8 of 27), not available.
Downloading catalog file (9 of 27), not available.
Downloading catalog file (10 of 27), not available.
Downloading catalog file (11 of 27), not available.
Downloading catalog file (12 of 27), not available.
Downloading catalog file (13 of 27), not available.
Downloading catalog file (14 of 27), not available.
Downloading catalog file (15 of 27), not available.
Downloading catalog file (16 of 27), complete.
Opening update list
The digital signature found on the catalog file has been signed by Symantec Corporation.
Processing update list
Opening update list
Processing update list
Downloading catalog file (17 of 27), not available.
Downloading catalog file (18 of 27), complete.
Opening update list
The digital signature found on the catalog file has been signed by Symantec Corporation.
Processing update list
Opening update list
Processing update list
Downloading catalog file (19 of 27), complete.
Opening update list
The digital signature found on the catalog file has been signed by Symantec Corporation.
Processing update list
Opening update list
Processing update list
Downloading catalog file (20 of 27), complete.
Opening update list
The digital signature found on the catalog file has been signed by Symantec Corporation.
Processing update list
Opening update list
Processing update list
Downloading catalog file (21 of 27), not available.
Downloading catalog file (22 of 27), not available.
Downloading catalog file (23 of 27), complete.
Opening update list
The digital signature found on the catalog file has been signed by Symantec Corporation.
Processing update list
Opening update list
Processing update list
Downloading catalog file (24 of 27), not available.
Downloading catalog file (25 of 27), complete.
Opening update list
The digital signature found on the catalog file has been signed by Symantec Corporation.
Processing update list
Opening update list
Processing update list
Downloading catalog file (26 of 27), not available.
Downloading catalog file (27 of 27), not available.
All of the Symantec products installed on your computer are currently up-to-date. Remember to check for new updates frequently.
LiveUpdate session is complete.


Can anyone tell me why these are not available and what are these catalogue files?