I was having the following bug with live meeting. Immediately after starting live meeting a small dialog box would pop up with this error message. The dialog was behind the main Live Meeting window. In a few seconds Live Meeting would disappear. The problem was caused by the Data Execution Prevention (DEP) feature for Windows. Data Execution Protection helps protect against damage from viruses or other threats. Some programs may not run correctly when it is turned on. In particular programs that used and older version of the ATL windowing library will fail. The solution is to disable DEP for the Live Meeting.
You can test the fix by going to http://go.microsoft.com/fwlink/?linkid=52354.