Stop error message in Windows XP with Service Pack 2: "STOP 0x0000001a: MEMORY_MANAGEMENT" or "STOP 0x0000000a: IRQL_NOT_LESS_OR_EQUAL"

The update that this article describes has been replaced by a newer update. To resolve this problem, install the most current security update. To install the most current update, visit the following Microsoft Web site: For more technical information about the most current security updates, visit the following Microsoft Web site:

A computer that is running Microsoft Windows XP with Service Pack 2 crashes. You may receive one of the following Stop error messages:

Error message 1Error message 2

This problem occurs because of a race condition in the memory manager.

Method 1: Install security update 931784 (Recommended)

To install the most current update, visit the following Microsoft Web site: You can also install security update 931784 at the following Microsoft Web site:

Method 2: Install update 929338

The following file is available for download from the Microsoft download center:
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base: Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Prerequisites

You must have Windows XP Service Pack 2 installed to apply this update.

Restart requirement

You have to restart the computer after you apply this update.

Update replacement information

Security update 931784 replaces this update. For more information about security update 931784, click the following article number to view the article in the Microsoft Knowledge Base:

File information

The English version of this update 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.

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