Some folks are reporting that their passwords reverted to older versions during the recent technical glitch.
See if that's the case with you...
Or perhaps the permissions on your account have changed.
Edited to say that my first suggestion must be wrong - or at least you'd know it if it was right - since you did manage to post which means you used your password...
[This message has been edited by gleff (edited 05-06-2003).]