|Ok, first of all are you running windows XP or 7, as your post states windows 7 but your description states windows XP. This will be important determing the problem at-hand.|
Secondly, have you changed the computer in any way recently? Such as installing a new piece of software or update? If so, does removing the new software fix the problem?
Finally, have you applied the latest serive pack (SP3) and all updates to outlook 2002, as it is an old product and has various bugs in it that could cause this