yes, I logged in as an administrator to the open discussion forum that anyone can post to. That is not my problem.
There was a forum that people needed to register for and needed a groupapp account and password to access. That is the one I am unable to access now. The link I had saved that would ask for my username and password was:
http://yourwebapps.com/GroupApps/Secure/edit.cgi?appid=13826