Article ID: 313712
This article was previously published under Q313712
This article has been archived. It is offered "as is" and will no longer be updated.
IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/256986/EN-US/ )Description of the Microsoft Windows Registry
Microsoft Internet Explorer may lose the first 2048 bytes of data that are sent back by a Web server when the Web server uses Hypertext Transfer Protocol (HTTP) compression. This issue occurs when a program registers a name space handler for any of the following protocols:
This issue occurs because there is a problem with the Urlmon.dll file when the file binds specifically to notify programs that have registered name space handlers.
The problem occurs if any of the following keys are in the registry:
A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. This fix may receive additional testing. Therefore, if you are not severely affected by this problem, Microsoft recommends 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:
http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMSNOTE: 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-language version of this fix should have the following file attributes or later:
Date Time Version Size File name --------------------------------------------------------- 08-JAN-2002 13:56:15 5.50.4913.700 451,856 Urlmon.dll
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.
To work around this problem, use one of the following methods:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.