Same as above... watch where you are attempting to start a new thread. It must be in the open forums until you become a Pro Member.
Another thing to consider is your log in. If you are timed out by activity then you will not be able to start a new thread or post. Log out then log back in using the "remember me" click box. This will keep you from being auto-logged out.
At the bottom of this site you will find a TEST Forum. You can practice there.