[Daynarr]

And restore whatever was causing this in the first place. I'd suggest saving as much data as you can (including those files you have no access at the moment, there is workaround for that) and making fresh install. Thunderbird is infinitelly better then Outlook Express and I switched only recently myself. If you do stay with outlook then you should know that you can change folder where you mails are saved to something far easier to trace and backup (like My Documents/My Mail folder).