OLEXP: "Unknown Error" in Outlook Express When Accessing a Hotmail Account

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Article ID: 252518 - View products that this article applies to.
This article was previously published under Q252518
For information about the differences between Microsoft Outlook Express and Microsoft Outlook e-mail clients, click the following article number to view the article in the Microsoft Knowledge Base:
257824 OL2000: Differences Between Outlook and Outlook Express
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SYMPTOMS

When you use Outlook Express to open e-mail in a Hotmail account, you may receive the following error message:
An unknown error has occurred.
An invalid character was found inside an entity reference.
-or-
Header download for the 'FolderName' folder did not complete. Account: 'Hotmail account', Server: 'http://services.msn.com/svcs/hotmail/httpmail.asp', Protocol: HTTPMail, Server Response: 'An invalid character was found inside an entity reference.', Port: 0, Secure(SSL): No, Error Number 0xC00CE50E


After you receive this error message, you cannot download any more e-mail. You can still access the Hotmail e-mail using the Hotmail Web interface.

CAUSE

This issue can occur if there is a damaged message header on the Hotmail server.

RESOLUTION

To resolve this issue, delete the affected message from the Hotmail server. To do this, connect to the following Hotmail Web site:
http://www.hotmail.com
From this Web site, you can read and delete the e-mail messages until the damaged one is gone.

NOTE: There is no known way to determine exactly which e-mail message has the problem.

Properties

Article ID: 252518 - Last Review: January 27, 2007 - Revision: 2.1
APPLIES TO
  • Microsoft Outlook Express 5.5
  • Microsoft Outlook Express 5.01 Service Pack 2
  • Microsoft Outlook Express 5.0
  • Microsoft Outlook Express 4.0
  • Microsoft Outlook Express 5.5
  • Microsoft Outlook Express 5.01 Service Pack 1
  • Microsoft Outlook Express 5.0
  • Microsoft Outlook Express 5.5
  • Microsoft Outlook Express 5.01
  • Microsoft Outlook Express 5.0
  • Microsoft Outlook Express 4.0
Keywords: 
kberrmsg kbprb KB252518

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