Article ID: 935760 - View products that this article applies to.
When a computer connects to a Web server by using a Secure Sockets Layer (SSL) connection, a memory leak occurs in a process that uses Windows HTTP Services (WinHTTP). After this process runs continuously for a long time, you may be unable to open any applications. Or, the system may stop responding. For example, the system may stop responding after the process runs for a week or more.
This problem occurs if the following conditions are true:
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:
PrerequisitesTo apply this hotfix, you must have Windows XP Service Pack 2 (SP2) installed.
Restart requirementYou must restart the computer after you apply this hotfix.
Hotfix replacement informationThis hotfix does not replace any other hotfixes.
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 item in Control Panel.
Windows XP, 32-bit versions
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Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about Windows HTTP Services, visit the following Microsoft Web site:
http://msdn2.microsoft.com/en-us/library/aa384273.aspxFor more information about authentication, visit the following Microsoft Web site:
http://www.microsoft.com/windows/windows2000/en/advanced/iis/htm/core/iiabasc.htmFor more information about a similar problem in Windows Server 2003, click the following article number to view the article in the Microsoft Knowledge Base:
918689For more information about the terms that are used to describe software updates, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/918689/ )A memory leak occurs when you use WinHTTP to access a Web server over an SSL connection
(http://support.microsoft.com/kb/824684/ )Description of the standard terminology that is used to describe Microsoft software updates