Here are a few good KB articles that might be of some use somewhere along the way. Outlook Express Various Errors Error 0x800ccc18 - Unable to Logon to Server Using Secure Password Authentication Error 0x800ccc0d - Error Finding POP3 or SMTP Servers When You Send or Receive E-mail Messages Error 0x800ccc0e - The connection to the server has failed. Dr. Solomans Antivirus Error 0x800ccc0e - The connection to the server has failed. Error 0x800ccc0f - You Cannot Send a Message with Graphic Attachments Error 0x800ccc32 - Unable to poll for new messages on your HTTP server