Microsoft KB Archive/174575

= Installed Additional Components Displayed as Not Installed =

Article ID: 174575

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Internet Explorer 1.0
 * Microsoft Internet Explorer 2.0
 * Microsoft Internet Explorer 3.0
 * Microsoft Internet Explorer 3.01
 * Microsoft Internet Explorer 3.02
 * Microsoft Internet Explorer 4.0 128-Bit Edition
 * Microsoft Internet Explorer 4.01 128-Bit Edition
 * Microsoft Internet Explorer 5.0
 * Microsoft Internet Explorer 5.01
 * Microsoft Internet Explorer 5.5
 * Microsoft Internet Explorer 3.2
 * Microsoft Internet Explorer 4.0 128-Bit Edition
 * Microsoft Internet Explorer 2.0
 * Microsoft Internet Explorer 3.0
 * Microsoft Internet Explorer 3.01
 * Microsoft Internet Explorer 3.02
 * Microsoft Internet Explorer 4.0 128-Bit Edition
 * Microsoft Internet Explorer 4.01 128-Bit Edition
 * Microsoft Internet Explorer 5.0
 * Microsoft Internet Explorer 5.01
 * Microsoft Internet Explorer 5.5

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This article was previously published under Q174575



SYMPTOMS
When you view the Internet Explorer 4.0 Components Download page, additional components that are installed on your computer may be displayed as not installed.



CAUSE
This behavior can occur when the program that installed the component is not an Internet Explorer 4.0 Active Setup-aware program.



RESOLUTION
To resolve this issue, reinstall the component from the Internet Explorer 4.0 Components Download page. After you reinstall the component from the Internet Explorer 4.0 Components Download page, you are notified of future updates to the component.



MORE INFORMATION
The additional components available on the Internet Explorer 4.0 Components Download page are installed by default into folders in the Program Files folder on the drive on which Windows is installed, except for the Microsoft Interactive Music Control with Microsoft Synthesizer, which is installed in the root folder on the drive on which Windows is installed.

An Internet Explorer 4.0 Active Setup-aware program writes information to the following registry key:

HKEY_LOCAL_MACHINE\software\microsoft\active setup\installed components

When you connect to the Internet Explorer 4.0 Components Download page, this registry key is read to determine which components are installed on your computer. If a component that is installed on your computer is displayed on the Internet Explorer 4.0 Components Download page as not installed, the program that installed the component did not write to this registry key or the registry key has been removed.

For information about adding Internet Explorer 4.0 components, please see the following articles in the Microsoft Knowledge Base:

171229 How to Add and Remove Internet Explorer Components

173592 Additional Components Are Installed in the Program Files Folder

Additional query words: 4.00

Keywords: kbsetup KB174575

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