Here is the excerpt from the log file

Machine : SHANNONO
Product : MSXML 6 Service Pack 2 (KB954459)
Product Version : 6.20.1099.0
Install : Failed
Log File : C:\Program Files\Microsoft SQL Server\90\Setup Bootstrap\LOG\Files\SQLSetup0021_SHANNONO_MSXML6_1.log
Error Number : 1603


>Is it a rights issue, what was the error.
>
>>I have about a dozen customers that say they can not install MS SQL 2005 Express on their XP computers. The install fails.
>>A couple of them I have been able to help by asking them to run Windows update and that took care of it, but I have quite a few that are up to date on Windows updates and still can't install MS SQL Express 2005.
>>
>>Any words of wisdom on this?
>>
>>Thanks,
>>Einar