How do I install just the SQL Server Compact 3.5 Service Pack 2?

[Suzy2001]

My team wants to use SharePoint for version control and when I try to add a project to version control and select the RoboHelp SharePoint Connector (per the instructions), I get the following:

But this is supposed to have been installed already. ???

[Suzy2001]

In looking at my machine, I see this already installed. Yet RoboHelp isn't finding it, apparently. I'll look to the RoboHelp community for answers.