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Visual Studio 2010 runs faster when the Windows Automation API 3.0 is installed

INTRODUCTION
Applications that use Windows Automation APIs can significantly decrease Microsoft Visual Studio IntelliSense performance if Windows Automation API 3.0 is not installed. For example, the Windows pen and touch services can significantly decrease Visual Studio IntelliSense performance if Windows Automation API 3.0 is not installed. This article describes how to install the Windows Automation API 3.0 update. This update is available as a stand-alone download for 32-bit editions of Windows XP and for Windows Server 2003. This update is not available for 64-bit editions of Windows XP. The Windows Automation API is a component of the platform update for Windows Vista and of the platform update for Windows Server 2008.

Windows Automation API

The Windows Automation API library enables accessibility tools, test automations, and pen services to access a standard user interface across operating system versions.
MORE INFORMATION
For more information about the Windows Automation API, visit the following Microsoft Developer Network (MSDN) Web site: For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
971644 Description of the Platform Update for Windows Server 2008 and the Platform Update for Windows Vista
976779 Windows Automation API 3.0 release notes

Download information

The following file is available for download from the Microsoft Download Center:

Update for all supported x86-based versions of Windows Server 2003

DownloadDownload the Update for Windows Server 2003 for x86-based systems package now.

Update for all supported x64-based versions of Windows Server 2003

DownloadDownload the Update for Windows Server 2003 for x64-based systems package now.

Update for all supported x86-based versions of Windows Server 2008

DownloadDownload the Update for Windows Server 2008 for x86-based systems package now.

Update for all supported x64-based versions of Windows Server 2008

DownloadDownload the Update for Windows Server 2008 for x64-based systems package now.

Update for all supported x86-based versions of Windows Vista

DownloadDownload the Update for Windows Vista for x86-based systems package now.

Update for all supported x64-based versions of Windows Vista

DownloadDownload the Update for Windows Vista for x64-based systems package now.

Update for all supported x86-based versions of Windows XP

DownloadDownload the Update for Windows XP for x86-based systems package now.

Note Customers who cannot install the update can set the following registry key to prevent the notification from being displayed:
[HKEY_CURRENT_USER\Software\Microsoft\VisualStudio\10.0\General] "UIAOverride"=dword:00000001
Notes The integrated installation of this package may function incorrectly when you use the procedures that are described in the following Microsoft Knowledge Base article:
828930 How to integrate software updates into your Windows installation source files
This is a known issue. If Microsoft releases a software update to resolve this problem, this article will be updated with additional information.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
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.
VS 2010 Windows Automation API 3.0 application programming interface MSAA UIA UI Automation Platform Update for Windows Vista Platform Update for Windows Server 2008 Platform Update for Windows XP
Properties

Article ID: 981741 - Last Review: 04/24/2012 06:52:00 - Revision: 6.0

  • Microsoft Visual Studio 2010 Professional
  • Microsoft Visual Studio 2010 Software Development Kit
  • Microsoft Visual Studio 2010 Ultimate
  • kbsurveynew kbinfo KB981741
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