"Input Capture Window" shows on local desktop when you start Windows Remote Assistance as a RemoteApp

A new ("FAST PUBLISH") KB article was released by Microsoft today regarding running Windows Remote Assistance (msra.exe) as a RemoteApp hosted on a Windows Server 2008 R2. The article states that using applications like Windows Remote Assistance as RemoteApp is not a supported scenario in Windows Server 2008 R2.

Article ID: 2674002 - Last Review: February 15, 2012 - Revision: 1.0
"Input Capture Window" shows on local desktop when you start Windows Remote Assistance as a RemoteApp

"...When you start Windows Remote Assistance (msra.exe) as a RemoteApp hosted on a Windows Server 2008 R2, you may see an extra window showing up on the Taskbar with the title "Input Capture Window" on your workstation. Also the desktop is not redrawn correctly.

Using applications like Windows Remote Assistance as RemoteApp is not a supported scenario in Windows Server 2008 R2..."
Source: http://support.microsoft.com/kb/2674002/en-us?sd=rss&spid=14134