Surface devices. Original by design. Follow Microsoft. Internet Explorer 9 upgrades previous editions of this Microsoft browser and helps it compete directly with big names like Firefox and Google Chrome. Though most computers that use Windows operating systems come with a version of IE already installed, many users only use IE to download another browser.

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Important

The Internet Explorer 11 desktop application will be retired and go out of support on June 15, 2022 (for a list of what's in scope, see the FAQ). The same IE11 apps and sites you use today can open in Microsoft Edge with Internet Explorer mode. Learn more here.

This article helps you resolve the problem that some prerequisites of Internet Explorer 9 can't be installed automatically.

Original product version: Internet Explorer 9
Original KB number: 2399238

When you install Internet Explorer 9, additional software and components are also installed as part of the process. They are Internet Explorer 9 prerequisites. Their details vary, depending on the operating system that your computer is running. If some of these prerequisites can't be installed automatically, the Internet Explorer 9 installation process won't finish. In that case, you must manually install the prerequisite software and components that are described later in this article.

Things to consider before you go the manual install route

Make sure that no updates are being installed and that no restart is pending

Internet Explorer 9 might not automatically install prerequisite software and components if one of the following conditions is true:

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The installation of other updates is in progress.
The system is awaiting a restart.

To check whether these things are causing the problem, do one of the following steps:

In Windows 7, click Start, click Control Panel, and then click Windows Update.
In Windows Vista, click Security in Control Panel, and then click Windows Update.

If an update installation is in progress, let the installation finish before you try to install Internet Explorer 9. If updates have been installed but the system hasn't yet been restarted, restart your computer before you try to install Internet Explorer 9.

Also note that if there's a restart pending, you may receive the following error message:

The updates were not applicable.

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Make sure you're not running a prerelease version of Windows

If you're using a prerelease version of Windows, these updates won't install. And you'll receive the updates were not applicable error message. When you receive this error message, make sure that your computer is running a released, genuine copy of Windows 7 or Windows Vista Service Pack 2 (SP2).

If you're not sure which version of Windows is installed, follow these steps:

Click Start, type msinfo32 in the Start Search or Search programs and files box, and then press Enter.
Locate your operating system next to OS Name and your system architecture type next to System Type.

Manually install the Internet Explorer 9 prerequisites

If you've ruled out the automatic installation issues we asked you to consider in the previous section, go ahead and manually install the prerequisite software and components. To do so, use one of the following methods, as appropriate for the operating system you're running.

Internet Explorer 9 Free Download Windows 7 Offline Installer Full

For Windows 7 or Windows Server 2008 R2

Internet Explorer 9 Windows 7 64

A performance and functionality update is available for Windows 7 and Windows Server 2008 R2 (KB2454826)

For Windows Vista or Windows Server 2008

Information about Service Pack 2 for Windows Vista and Windows Server 2008 (KB948465)
Description of the Windows Graphics, Imaging, and XPS Library (KB971512)
Platform update supplement for Windows Vista and Windows Server 2008 (KB2117917)
Note
You must install update 971512 before you install this update.

Known issues

Internet Explorer 9 Free Download Windows 7

Internet Explorer 9 Free Download

You may receive an error message when you try to install Internet Explorer 9. Installation problems can have various causes. For more information about how to resolve these problems, see How to troubleshoot Internet Explorer 9 installation problems.