When you install the Microsoft Office Communicator Web Access Plug-in on a computer that is running Windows 7, you receive the following dialog box several times: 

Do you want to run this software?


Publisher: Microsoft Corporation


This issue occurs because of a change in the security model for Windows 7.


To fix this problem, install the following cumulative update:

983469 Description of the cumulative update package for Office Communications Server 2007 R2, Communicator Web Access: July 2010


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information about the latest updates for Communications Server 2007 R2, click the following article number to view the article in the Microsoft Knowledge Base:

968802 Updates for Communications Server 2007 R2           

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