Error 459: Object or Class Does Not Support the Set of Events

MicroMain XM v7.1


This addresses an issue that may arise after installing specific Microsoft updates released on August 14th, 2012.

Error 459 occurs when opening MicroMain XM 7.1
You get the following error message when starting the program:
Error: 459
Description: Object or class does not support the set of events


This symptom may occur after applying one or more of several Microsoft security updates that affect specific files MicroMain XM requires to run. These updates are described in Microsoft security bulletin MS12-060. The known updates that can cause this problem are:

  • Security Update for Office 2003 (KB2687323): MSCOMCTL
  • Security Update for Microsoft Office 2007 suites (KB2687441)
  • Security Update for Microsoft Office 2010 (KB2597986)


If you are experiencing the symptom described above, this is likely due to a recent security update to Microsoft Office. To resolve this issue you will need to download and install (or reinstall) Microsoft Office Web Components. To do this, go to the below web site and follow the instructions there.

Office 2003 Add-in: Office Web Components

If you are experiencing other issues after following the install instructions on the above page, please see related issues below.

See related issues