Microsoft KB Archive/913392

= Error message when you open SQL Server 2005 Books Online: &quot;Microsoft Document Explorer cannot be shown because the specified help collection 'ms-help://MS.SQLCC.v9' is invalid&quot; =

Article ID: 913392

Article Last Modified on 2/14/2006

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APPLIES TO


 * Microsoft SQL Server 2005 Standard Edition
 * Microsoft SQL Server 2005 Developer Edition
 * Microsoft SQL Server 2005 Enterprise Edition
 * Microsoft SQL Server 2005 Workgroup Edition

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SYMPTOMS
Consider the following scenario. You have two or more language versions of Microsoft SQL Server 2005 Books Online installed side-by-side on a computer. If you uninstall one of the SQL Server 2005 Books Online installations, you cannot open the other installation of SQL Server 2005 Books Online. You receive the following error message:

Microsoft Document Explorer cannot be shown because the specified help collection 'ms-help://MS.SQLCC.v9' is invalid.



CAUSE
This problem occurs because the registration for the &quot;Help&quot; namespace is removed when you uninstall one of the SQL Server 2005 Books Online installations. The registration is shared by all language versions of SQL Server 2005 Books Online.



WORKAROUND
To work around this problem, uninstall the other installation of SQL Server 2005 Books Online by using the Add or Remove Programs tool, and then reinstall SQL Server 2005 Books Online.



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

Keywords: kbprb kbexpertiseadvanced kbsql2005setup KB913392

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