Microsoft small business knowledge base

Article ID: 321530 - Last Review: February 27, 2014 - Revision: 2.9

Hotfix Download Available
View and request hotfix downloads
This article was previously published under Q321530
This article has been archived. It is offered "as is" and will no longer be updated.

On This Page


When you use an Internet Message Access Protocol 4 (IMAP4) mail server and you receive a message that has a special mail header, Outlook Express may quit unexpectedly.


Internet Explorer 6.0

To resolve this problem, obtain the latest service pack for Internet Explorer 6. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:
328548  ( ) How to Obtain the Latest Internet Explorer 6 Service Pack
The English version of this fix should have the following file attributes or later:
   Date         Time   Version        Size       File name
   26-Apr-2002  13:16  6.0.2716.2600  1,175,040  Msoe.dll  

Internet Explorer 5.5 Service Pack 2 (SP2)

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Internet Explorer 5.5 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site: (
NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The typical support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

The English version of this fix should have the following file attributes or later:
   Date         Time   Version         Size       File name
   26-Apr-2002  15:12  5.50.4916.2500  1,146,128  Msoe.dll


Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Internet Explorer 6 Service Pack 1.

  • Microsoft Outlook Express 5.5 Service Pack 2
  • Microsoft Outlook Express 5.5 Service Pack 1
  • Microsoft Outlook Express 6.0
kbnosurvey kbarchive kbbug kbfix kbqfe kbie600sp1fix kbie550presp3fix kbhotfixserver KB321530
Additional support options
Ask The Microsoft Small Business Support Community
Contact Microsoft Small Business Support
Find Microsoft Small Business Support Certified Partner
Find a Microsoft Store For In-Person Small Business Support