File Search To Return Path String

Hi, I have a command button that opens a pdf file. However i will be distributing the database as a runtime package and need to account for people having different versions of adobe reader so need to search for the filepath string where Acord32.exe is found. This is the code I have but I am stuck! Ay help aprpeciated!

Private Sub Command4_Click()

Dim stAppName As String
Dim stPathName As String
Dim fs As Object

Set fs = Application.FileSearch
With fs
.LookIn = "C:Program Files"
.SearchSubFolders = True
.FileName = "AcroRd32.exe"
.Execute
????? stAppName = .FoundFiles
Set fs = Nothing
End With

'specify path name for version of adobe acrord32.exe
'stAppName = "C:Program FilesAdobeReader 8.0ReaderAcroRd32.exe "
stPathName = GetIniSetting("C:WINDOWSSSI_DL3_PROGRS.ini", "DIR", "REPORT_FILELOCATION") & "HOOF.pdf"
Shell stAppName & stPathName, vbMaximizedFocus

End Sub