Description of the office 2003 update: june 14, 2011, Explore these great resources across microsoft.com. windows. all windows downloads; download windows 8.1 office. all office downloads; download office; free trials. Windows update fails to install updates (error 66a, Hi. th problem is that all windows updates are failed to install (around 27 updates) since the 17/may. i tried everything from deleting temporary files, doing malware.