Article ID: 913188 - View products that this article applies to.
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When you try to install one of the products that are listed in the "Applies To" section, you may receive an error message that resembles the following:
Unable to install.
Error 1402: Could not open key "Unknown\Microsoft.MapPoint.wifiscanner.1\CLSID"
This issue may occur if permissions to a specific key in the Windows Registry was denied because the registry is corrupted or because of registry permissions.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
Article ID: 913188 - Last Review: January 16, 2015 - Revision: 6.0