Not sure exactly...maybe try this fixit solution: blogs.technet.com/b/fixit4me/archive/2009/03/31/error-code-2738-when-running-a-microsoft-fix-it-solution.aspx
Not sure exactly...maybe try this fixit solution: blogs.technet.com/b/fixit4me/archive/2009/03/31/error-code-2738-when-running-a-microsoft-fix-it-solution.aspx