http://developers.de/blogs/damir_dobric/archive/2010/07/23/error-while-installing-outlook-2010-or-cdo.aspxWhile installing some of Outlook components you may get following error: “Outlook 2010 may not be installed with a newer version of outlook” This error is caused by at least two possible reasons: 1. There is already an Outlook 2010 installed on the machineenCommunityServer 2008 SP1 (Build: 30619.63)