Something, i see a error, when i click on
Show unread posts since last visit.
Show new replies to your posts.
Some new reply has been posted to my thread/topic, but it shows no new replies.
For example, when i am in SF main page and i see that someone has replied to my thread in last post, (i have not opened the post/seen the thread after that), but then when i click unread posts since last visit / new replies to ur posts, it shows nothing.
Even after 10 mins it was the same.
That has happened many time to me.