You experience a decrease in performance when you use an evaluation runtime that is created by using Windows Embedded Standard 2009

You experience a decrease in performance when you use an evaluation runtime that is created by using one of the following editions of Windows Embedded Standard 2009:

• Windows Embedded Standard 2009 Evaluation Edition
• Windows Embedded Standard 2009 Academic Edition
• Windows Embedded Standard 2009 Retail Edition
  
  Note Runtimes that are created by using Windows Embedded Standard 2009 Retail Edition are built without a Retail Product Identification (PID). Therefore, the runtime functions as an evaluation runtime.

For example, you may see CPU usage increases of 50% to 100% when you experience this issue. This performance decrease is most noticeable when the runtime is running on a minimal hardware configuration.

This problem occurs because there are multiple calls to the WPAbaln.exe application, and the application starts multiple processes.

Update information

How to obtain this update

The following file is available for download from the Microsoft Download Center:
Download the Update for Windows Embedded Standard 2009 Academic and Evaluation Runtimes (KB981792) package now. (http://download.microsoft.com/download/c/6/2/c622b665-8072-4735-a6f6-4701e1154434/windowsxp-kb981792-v4-x86-enu.exe)

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

To apply this update, you must be running a runtime that is created by using one of the following editions of Windows Embedded Standard 2009:

• Windows Embedded Standard 2009 Retail Edition
• Windows Embedded Standard 2009 Evaluation Edition
• Windows Embedded Standard 2009 Academic Edition

Note Windows XP Service Pack 3 (SP3) is included in the runtime.

Restart requirement

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

Update replacement information

This update does not replace a previously released update.

File information

The English (United States) version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

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

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base: