Microsoft KB Archive/936490

= You receive error code -203 when you try to install the Windows Media Player Firefox Plugin on a computer that is running Windows Vista =

Article ID: 936490

Article Last Modified on 4/25/2007

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APPLIES TO


 * Windows Vista Home Basic
 * Windows Vista Home Premium
 * Windows Vista Ultimate
 * Windows Vista Business
 * Windows Vista Enterprise
 * Windows Vista Starter
 * Windows Vista Home Basic 64-bit Edition
 * Windows Vista Home Premium 64-bit Edition
 * Windows Vista Ultimate 64-bit Edition
 * Windows Vista Enterprise 64-bit Edition

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SYMPTOMS
When you try to install the Windows Media Player Firefox Plugin on a computer that is running Windows Vista and Mozilla Firefox version 2.0.0.3, the installation may be unsuccessful. When this problem occurs, the Setup Wizard generates the following error code:

Error code -203



RESOLUTION
To resolve this problem, install the latest version of the Windows Media Player Firefox Plugin. To obtain the Windows Media Player Firefox Plugin, visit the following Microsoft Web site:

http://port25.technet.com/pages/windows-media-player-firefox-plugin-download.aspx



WORKAROUND
To work around this problem, restart Firefox. Then, restart the Windows Media Player Firefox Plugin installation program. When you do this, you may receive a message that states that Windows is changing the Firefox compatibility settings. You do not have to take any action when you receive this message.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
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.

Additional query words: WMP 11 Mozilla wmpfirefoxplugin.exe

Keywords: kbfix kbbug kbexpertisebeginner kbtshoot kbprb KB936490

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