When I automate an Office application, it remains in memory even after I call Quit(). Why?

There have been a lot of Questions on releasing the COM objects when using Office applications with web apps.
Above is a link to a site that explains how to gracefully clean up the objects.

Also check out this link at the MS site.
http://support.microsoft.com/?kbid=317109

Article Url:
http://www.dotnetinterop.com/faq/?q=OfficeCleanup