I get those from time to time too. It seems totally random too. No real rhyme or reason to it. I've also noticed that sometimes I can't get a page or thread to load or it takes a really long time. Also, how come I can't refresh the forum like I used to? I now have to hit the home button and then hit the forum button to update the site to see new posts. I also never log off or close the site, so not sure if that has anything to do with it.