Article ID: 871205
Important This article contains information about how to modify the registry. Make sure to back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/256986/ )Description of the Microsoft Windows registry
When you visit a Web site, Microsoft Internet Explorer may not decompress HTTP content. You may experience this problem when all the following conditions are true:
This problem occurs when a notification between WININET and URLMON is lost. When a notification is lost, an encoded chunk that is required for the decompression is lost. When an encoded chunk is lost, the gzip decompressor fails.
Service pack informationTo resolve this problem, obtain the latest service pack for Windows XP. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322389/ )How to obtain the latest Windows XP service pack
Hotfix informationA supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
File informationThe English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
Microsoft Internet Explorer 6 Service Pack 1 (SP1)
Date Time Version Size File name ------------------------------------------------------- 14-Jan-2005 17:21 6.0.2800.1489 581,632 Wininet.dll
Microsoft Internet Explorer 6 Service Pack 2 (SP2)
Date Time Version Size File name ------------------------------------------------------- 10-Jun-2005 01:38 6.0.2900.2695 658,944 Wininet.dll
Installation informationWarning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.
After you install this hotfix, follow these steps:
To work around this problem, disable chunked encoding or disable HTTP compression on the Web server. To view the HTTP compression settings in Microsoft Internet Information Services (IIS) 6.0, follow these steps:
Microsoft has confirmed that this is a problem in Microsoft Internet Explorer 6 Service Pack 1.
Note By default, Microsoft Internet Information Server does not use chunked encoding. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
278998The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
(http://support.microsoft.com/kb/278998/ )How to enable chunked transfer encoding with IIS