Microsoft Compiled HTML Help files (*.CHM) accessed within App-V packages fail to display correctly after Internet Explorer 8 is upgraded to Internet Explorer 9

Symptoms

On a Windows Server 2008 R2 RDS server running the App-V Client version 4.6.0.20200, after Internet Explorer 8 is upgraded to Internet Explorer 9, the Microsoft Compiled HTML Help files (*.chm) in some App-V packages may stop working and the help panel will display a blank white screen. If Internet Explorer 9 is uninstalled and reverted back to Internet Explorer 8 the help content will render properly.

Cause

This is a known issue with App-V client 4.6.0.20200.

Resolution

To resolve this issue, install App-V 4.6 SP1 with the latest hotfix rollup. To obtain the latest hotfix rollup please contact Microsoft Support.

Service Pack 1 for Microsoft App-V 4.6 can be downloaded from the following location:

Microsoft Application Virtualization 4.6 Service Pack 1 - http://www.microsoft.com/download/en/details.aspx?id=14552

More Information

The latest Version of the App-V 4.6 client is 4.6 SP1 Hotfix Rollup 4 (as of 9/19/2011). To keep track of the latest App-V updates, please follow the Microsoft Application Virtualization blog at http://blogs.technet.com/b/appv/.

Note Be sure to test these updates against all your App-V packages to insure compatibility in your test environment prior to updating your production environment.
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Article ID: 2619927 - Last Review: Sep 27, 2011 - Revision: 1

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