I think you're missing SQL Server Native Client. You can download installation package from http://www.microsoft.com/downloads/details.aspx?FamilyId=DF0BA5AA-B4BD-4705-AA0A-B477BA72A9CB&DisplayLang=en#SNAC

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>I've just got a new PC and am trying to run an application I developed using SQL Server Express as the back end database, however, I am unable to connect to the database. I've tried to install the MDAC_TYP.exe that I just downloaded from microsoft.com, but it tells me: This setup does not support installing on this operating system. I am running Windows XP Tablet PC version.
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>I've tried to createa an ODBC connection but that fails as well.
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>Any ideas what I need to install on this PC to access the database?
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