Description of updates that are installed when you install Windows Internet Explorer 8

This article describes updates that are installed when you install Windows Internet Explorer 8. As the list of available updates changes, this article will be periodically updated.

Update for Windows XP SP2 x86 (KB946501)

This update is only installed if you are installing Internet Explorer 8on a Windows XP SP2 x86-based computer.

This update resolves a problem in which an access violation occurs when an application exists on a Windows XP SP2-based multi-core computer.

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

Update for Windows Vista (KB957388)

This update is only installed if you are installing Internet Explorer 8 on a Windows Vista-based computer.

This update resolves a problem that occurs when you are trying to play a video on a Web page by using embedded RealNetworks RealPlayer 11.

This update also includes a change that improves Internet Explorer 8 performance in Windows Vista when the Ieshims.dll file is installed on the system. Ieshims.dll is used to maintain application compatibility with earlier versions of Internet Explorer and replaces the functionality that was provided by the Iebrshim.dll, AcRedir.dll, AcLayers.dll, and Shimeng.dll files. This update will be automatically downloaded by IESetup.exe if Dynamic Updates are enabled.

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

Windows Malicious Software Removal Tool for Windows XP SP2 x86 and Windows Server 2003 x86

This tool only runs if you are installing Internet Explorer 8 on a Windows XP SP2-based computer or on a Windows Server 2003 x86-based computer.

The Windows Malicious Software Removal Tool checks the computer for infections by specific, prevalent malicious software. This malicious software includes Blaster, Sasser, and Mydoom. Additionally, the tool helps remove any infection that the tool finds in the computer. If the computer has an infection, the tool notifies you after the computer restarts when you are installing Internet Explorer 8. If you do not receive notification about an infection, the tool did not find an infection.

The Windows Malicious Software Removal Tool only scans the computer one time during the installation of Internet Explorer 8. The tool does not provide continuous virus scanning. The tool only runs again if you download an update to the tool by using Windows Update or Microsoft Update, either through the Microsoft Web site or through Automatic Updates.

For more information, visit the following Microsoft Web site: The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.