It was already unchecked It was working for few letters, then it started again. Plz, explain me more about this "unattended users". Might it be that there is some virus or trojan, that does al this thing? But I have Kaspersky with all updates, I scaned this computer, but it found nothing. And another thing, this computer connects through lan, so all computers might be infected, but they work fine. And this might help: About month ago, All inbox was gone on this computer, although file inbox.dbx had like 1G. So I repaired it with tool. And after that it started. I even tryed to delete all msg for last 2 month from inbox and send, but it doesnt help