While installing the update 974417 and if you get this error, please refer to the link below

 

http://blogs.msdn.com/b/smondal/archive/2010/07/29/quot-the-upgrade-patch-can-not-be-installed-by-the-windows-installer-service-because-the-program-to-be-upgraded-may-be-running-or-the-upgrade-patch-may-update-a-different-version-of-the-program-quot.aspx

 

Content by : Soumitra Mondal