SYMPTOM:
A "Service Unavailable" error is displayed in the browser when trying to access Strategy Web. In addition, the following error message is found in the Event Viewer Application log:

ISAPI Filter 'c:\windows\microsoft.net\framework\v2.0.50727\aspnet_filter.dll' could not be loaded due to a configuration problem. The current configuration only support loading images built for a AMD64 processor architecture.