' Needs to add "Microsoft Scripting Runtime" reference to your file
Function FileExists(ByVal FileToTest As String) As Boolean
   FileExists = (Dir(FileToTest) <> "")
End Function

Sub DeleteFile(ByVal FileToDelete As String)
   If FileExists(FileToDelete) Then 'See above          
      ' First remove readonly attribute, if set
      SetAttr FileToDelete, vbNormal          
      ' Then delete the file
      Kill FileToDelete
   End If
End Sub