>One of my clients has serious trouble when trying to install on his computer:
>
>During the installation, he is asked to restart. On restart, Microsoft Data Access Component unpacks and fails with the following message:
>
>Critical Error
>Setup : Unknown disposition
>History: USetupDefinition:: -WFilerWizard:WFilerWizard -Setup
>
>After hitting OK, he is asked to restart again and gets the same error all ower again. If he Cancels the restart message, Microsoft Data Access Component unpacks and fails with the same error. So he's trapped in a loop here.
>
>His machine is a Pentium III 500MHz with 128 MB RAM running Windows98.
>
>Has anyone any suggestions on how to solve this?

I don't know what the error is, but you can look in the run and RunOnce entry of the hklm/software/microsoft/windows/current version/. It should be there that the installation program is executing to install MDAC.