When trying to launch SQL Optimizer 32-bit on a 64-bit machine, the following Microsoft .NET Framework errors appear:
"Unhandled exception has occurred in a component in your application. If you click Continue, the application will ignore this error and attempt to continue.
Retrieving the COM class factory for component with CLSID {73A2F78B-F5A5-48D1-B2EC-ED4C2278555C}"
Or
"Retrieving the COM class factory for component with CLSID {73A2F78B-F5A5-48D1-B2EC-ED4C2278555C} failed due to the following error 80040154."