Microsoft Excel 14.0 Object Library
Using this reference, the code below produces the error "The interface is unknown" on the second line of code using Windows 7, Office 14 and Internet Explorer 9. The code runs fine on a second computer with Windows 7, Office 14 and Internet Explorer 8. How can I fix this problem?
Public Function TestExcel()
Dim xl As New Excel.Application
xl.Visible = True