As last resort check mskb #905287.


>A customer called me and told me that he ran into a problem installing SQL Server Express on their computer (XP Pro). They got the following message during Microsoft SQL Server 2005 Setup:
>

>The SQL Server System Configuration Checker cannot be executed due to 
WMI configuration on the machine <MachineName> Error: 70347(0x112cb).
>

>
>Has anyone else run into this?
>I found a couple of websites that adviced me to stop and start the WMI and also regsrv32 all the DLLs associated, but this did not help the customer.
>
>Is this a common problem?
>