It just happened to me again - with no posting. I was on a forum page and opened a new window to go to another place. After about 30-45 minutes, I went back to the forum page window, clicked on the link to the BB main page and got the blank page again. Refreshing doesn't help. I can still link directly to the forum page I was on, and to all of the others, except the other restricted forum. BTW, I did not post anything this time.
