Why can't I log into the forum?
Sorry, but with the current software I have, it logs you out sometimes. I'm working on that. However, most of the time, if you can't get on under the regular user login (the one on the top right of the website), you can login to the forum under the forum login.
You can also look at this article.
Sometimes, its a browser incompatibilty problem that tends to go away very quickly. Have you tried different browers? Sometimes a different browser will let you log in with no problem.
Here are a few browsers that we've been able to use (some work better on different days...lol)