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(303401) - Netscape-style plug-ins do not work after you upgrade Internet Explorer by installing any of the products that are listed above. Some examples of Netscape-style plug-ins include QuickTime by Apple Computer, Inc.; Finale MusicViewer by Coda Music...

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Microsoft Knowledge Base Article

This article contents is Microsoft Copyrighted material.
©2005-©2007 Microsoft Corporation. All rights reserved. Terms of Use | Trademarks
Article ID: 303401 - Last Review: July 27, 2007 - Revision: 3.3

Netscape-Style Plug-ins Do Not Work After Upgrading Internet Explorer

View products that this article applies to.
This article was previously published under Q303401

SYMPTOMS

Netscape-style plug-ins do not work after you upgrade Internet Explorer by installing any of the products that are listed above.

Some examples of Netscape-style plug-ins include QuickTime by Apple Computer, Inc.; Finale MusicViewer by Coda Music Technology; and AlternaTIFF by Medical Informatics Engineering.
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CAUSE

The versions of Internet Explorer that are listed above do not support Netscape-style plug-ins.
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RESOLUTION

Contact the manufacturer of your Netscape-style plug-in to inquire whether the manufacturer has a version of the component available that is built on ActiveX technologies. Apple has provided an ActiveX control that restores the QuickTime plug-in for Internet Explorer versions 5.5 SP2 and 6. Please visit the following Apple Web site to download and install this control:
http://www.apple.com/quicktime/ (http://www.apple.com/quicktime/)
Developer information about the QuickTime ActiveX plug-in by Apple Computer, Inc. is available at the following Apple Web site:
http://developer.apple.com/quicktime/compatibility.html (http://developer.apple.com/quicktime/compatibility.html)
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STATUS

This behavior is by design.
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MORE INFORMATION

The Internet Explorer versions that are listed above continue to support the Embed and Object tags and ActiveX. Content creators can continue to use the Embed tag for components that are built on ActiveX technologies, as has been the case since Internet Explorer 3. A few examples are the Flash and Shockwave products from Macromedia, as well as SVG Viewer from Adobe Systems. For additional information about the Embed and Object tags and ActiveX, please see the following Microsoft Web sites:
http://msdn2.microsoft.com/en-us/library/ms535245.aspx (http://msdn2.microsoft.com/en-us/library/ms535245.aspx)

http://msdn2.microsoft.com/en-us/library/Aa751972.aspx (http://msdn2.microsoft.com/en-us/library/Aa751972.aspx)

http://activex.microsoft.com/activex/activex/ (http://activex.microsoft.com/activex/activex/)

http://msdn2.microsoft.com/en-us/library/ms535859.aspx (http://msdn2.microsoft.com/en-us/library/ms535859.aspx)

http://msdn2.microsoft.com/en-us/library/ms535245.aspx (http://msdn2.microsoft.com/en-us/library/ms535245.aspx)
The third-party products that are discussed in this article are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.
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APPLIES TO
  • Microsoft Internet Explorer 5.5 Service Pack 2
  • Microsoft Internet Explorer 5.5 Service Pack 2
  • Microsoft Internet Explorer 5.5 Service Pack 2
  • Microsoft Internet Explorer 5.5 Service Pack 2
  • Microsoft Internet Explorer 5.5
  • Microsoft Internet Explorer 5.5 Service Pack 2
  • Microsoft Internet Explorer 6.0, when used with:
    • Microsoft Windows XP Home Edition
    • Microsoft Windows XP Professional
    • Microsoft Windows XP Media Center Edition
    • Microsoft Windows XP Tablet PC Edition
    • Microsoft Windows XP Professional x64 Edition
    • Microsoft Windows 2000 Advanced Server
    • Microsoft Windows 2000 Datacenter Server
    • Microsoft Windows 2000 Professional Edition
    • Microsoft Windows 2000 Server
    • Microsoft Windows NT Server 4.0 Standard Edition
    • Microsoft Windows NT Server 4.0, Terminal Server Edition
    • Microsoft Windows NT Workstation 4.0 Developer Edition
    • Microsoft Windows Millennium Edition
    • Microsoft Windows 98 Second Edition
    • Microsoft Windows 98 Standard Edition
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Keywords: 
kbprb kb3rdparty KB303401
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