Web Page with "Pragma: No-Cache" Tag Stored in Cache Not Deleted

• Microsoft Internet Explorer version 4.01 Service Pack 2 for Windows 98
• Microsoft Internet Explorer versions 4.01, 4.01 Service Pack 1, 4.01 Service Pack 2 for Windows 95
• Microsoft Internet Explorer versions 4.01, 4.01 Service Pack 1, 4.01 Service Pack 2 for Windows NT 4.0

SYMPTOMS

After you view a Web page larger than 64 kilobytes that contains the "Pragma: No-Cache" HyperText Markup Language (HTML) META tag, the Web page is stored in your cache instead of being deleted.

CAUSE

This problem occurs because the Mshtml.dll file processes HTML files in 64K "pages". If an HTML file is larger than 64K, the function call to delete the cache entry is called before the file is written to the cache, so the file is not actually deleted.

RESOLUTION

A supported fix that corrects this problem is now available from Microsoft, but it has not been fully regression tested and should be applied only to systems experiencing this specific problem. If you are not severely affected by this specific problem, Microsoft recommends that you wait for the next service pack for Internet Explorer 4.x that contains this fix.

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 on support costs, please go to the following address on the World Wide Web:

http://www.microsoft.com/support/supportnet/overview/overview.asp

STATUS

Microsoft has confirmed this to be a problem in Microsoft Internet Explorer 4.01 Service Pack 2.

MORE INFORMATION

When an HTML file is less than 64K, the function call to delete the cache entry is called after the page is written to the cache, so the page is actually deleted from the cache.

Additional query words:

Keywords : kbui msiew95 msient msiew98
Version : WINDOWS:4.01,4.01 Service Pack 1,4.01 Service Pack 2
Platform : WINDOWS
Issue type : kbprb