This information from Microsoft may help. 
http://support.microsoft.com/kb/910339/en-us

Tom

[log in to unmask] wrote:
> I have an 8400 Dell dimension using Win XP  with SP 2 - which  is 
> approximately 4 years old.  
>  
> Now-------------------
>  
> This makes either the 4th time I have gotten and downloaded these  updates 
> saying they need to be updated.  But the last 3 times, I noticed  the download 
> 'minutes' on each of them is 'zero'..... Is that telling me they  have already 
> been updated.  I believe the first time, it said either 2 or 3  minutes it 
> would take to do them.  Is something wrong with my puter or is  something wrong 
> with MS..  Notice the minutes it has... and if it's already  updated... why is 
> it still telling me to download them again and again and  again?   Harriet
>  
> Cumulative Security Update for Internet Explorer 7 for Windows XP  (KB947864)
>  
> Download size: 0 KB , 0 minutes  (Downloaded; ready to install)  
> Security issues  have been identified that could allow an attacker to 
> compromise a system running  Internet Explorer and gain control over it. You can help 
> protect your system by  installing this update from Microsoft. After you 
> install this item, you may have  to restart your computer
> ------------------------------------
>  
> Security Update for Windows XP  (KB948590)
>  
> Download size: 0 KB , 0 minutes  (Downloaded;  ready to install)  
> A security issue has been identified  that could allow an authenticated 
> remote attacker to compromise your Microsoft  Windows-based system and gain control 
> over it. You can help protect your  computer by installing this update from 
> Microsoft. After you install this item,  you may have to restart your computer
>  
> -------------------------------------
> Security Update  for Windows XP (KB945553)
>  
> Download size: 0 KB , 0 minutes  (Downloaded;  ready to install)  
> A security issue has been identified  in DNS Clients that could allow an 
> attacker to compromise your Microsoft  Windows-based system and gain control over 
> it. You can help protect your  computer by installing this update from 
> Microsoft. After you install this item,  you may have to restart your computer
>
>
>
>
>
>
>   

               The NOSPIN Group Promotions is now offering
                 our special coffee mugs and mouse pads
              with the PCBUILD logo...  at a great price!!!
             http://freepctech.com/goodies/promotions.shtml