Compressed pages that are read from the cache may not be displayed correctly in Internet Explorer 6 on a Windows XP SP2-based computer

Consider the following scenario:

• You configure a server that is running Internet Information Services (IIS) to use the HTTP compression feature.
• You specify the charset of the page through the content-type header. For example, you specify the following:
  text/html;charset=utf-8
• On a Windows XP Service Pack 2 (SP2)-based computer, you use Microsoft Internet Explorer 6 to view these Web pages.

In this scenario, if Internet Explorer 6 caches this page and then later reads the page from the cache, the page may not be displayed correctly.

The charset part of the content-type header is not stored for compressed pages after the pages have been expanded in the cache.

Security update information

To resolve this problem, install the most current cumulative security update for Internet Explorer. To install the most current updates, visit the following Microsoft Web site: For more technical information about the most current cumulative security update for Internet Explorer, visit the following Microsoft Web site: Note This update was first included in security update MS08-045. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.