You have a computer that has Microsoft Office 2010 and Microsoft Office Live Meeting 2007 installed. You start a meeting in Microsoft Office Live Meeting 2007. If you share some PowerPoint slides in the meeting and then record the meeting, the PowerPoint slides do not show in the recording playback.
To fix this problem, apply the following update:
976128 Description of the Windows-based Live Meeting 2007 client update package: January 2010
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.