由于以下错误，检索具有CLSID {XXXX}的组件的COM类工厂失败：80080005

What is the troubleshooting process for the "Retrieving the COM class factory for component with CLSID {XXXX} failed due to the following error: 80080005" errors in .Net? To clarify: I am getting this at runtime, on my XP machine, with client being .net code running under admin account. {XXXX} refers to one of our in-house COM components. What is the troubleshooting process for the "Re