This error occurs when attempting to open a video call camera or run separately and are presented in the 2009 beta build 14.0.8117.416 and 2010 and IM 2011 . The beta version had errors of all kinds , the best in these cases is to uninstall them. To solve this and other related errors we use the messenger uninstaller. For messenger beta 2011 is necessary to spend twice the uninstaller , the first time it is possible that Windows will restart and go again the program is completely uninstalled. then install the Messenger 2009 14.0.8089.726. Log in to be sure it is fixed.
Information: Making a video call amounted to " show the webcam "for each user separately , Microsoft reported that as of version 2009 build 14.0.8117.416 this is no longer possible, many users have complained of this decision and even want to return to the old version that still offers two video modes. It is a decision taken by the team from Windows Live Messenger product .