Cannot delete old email in Sent Items folder in Outlook 98

rick23 used Ask the Experts™
Whenever I try to delete old email in the Sent Items folder, I receive the error, "The Messaging Interface has returned an unknown error.  If the problem persists, restart the computer."  

I ran the inbox repair tool, but that didn't work.  I also created another pst and transferred some folders there, because the user was close to her 2GB limit, but that didn't help either.  I don't know what else to do.  Any help would be appreciated.  
Watch Question

Do more with

Expert Office
EXPERT OFFICE® is a registered trademark of EXPERTS EXCHANGE®
Try holding down the Shift key and pressing delete.
This article normally fixes it.  You've already tried some of the suggestions but not all:

283174.KB.EN-US OL98: (CW) Messaging Interface Returns an Unknown Error;EN-US;283174
It appears that you have forgotten this question. I will ask Community Support to close it unless you finalize it within 7 days. I will ask a Community Support Moderator to:

  Accept traval comment(s) as an answer.

If you think your question was not answered at all or if you need help, just post a new comment here; Community Support will help you.  DO NOT accept this comment as an answer.

EXPERTS: If you disagree with that recommendation, please post an explanatory comment.

jason -- EE database cleanup volunteer
per recommendation

Community Support Moderator @Experts Exchange

Do more with

Expert Office
Submit tech questions to Ask the Experts™ at any time to receive solutions, advice, and new ideas from leading industry professionals.

Start 7-Day Free Trial