"None of the checked software updates could be saved"

[Kevin Callahan]

On our iMac 24, running as admin, I'm having a problem with Software  
Update installing 4 suggested updates:

1 - Aluminum Keyboard Firmware 1.0
2 - iMac EFI Firmware Update 1.3
3 - iTunes Producer 1.7.1
4 - Safari 3.1.1

When I click the INSTALL 4 items button in the Software Update panel,  
I get an alert panel saying:

"None of the checked updates could be saved.  You do not have  
appropriate access privileges".

I'm running as admin.

I ran DU and checked the disk.  No problems.  Also, repaired  
permissions - and the only permissions issues were regarding the HP  
drivers.

Suggestions?

Kevi