Office 2003: Error "Unexpected error occurred. Please try again later or contact your system administrator"
On Friday Dec 11 2009, Office 2003 started displaying following error message when trying to open files which are protected using Rights Management System(RMS)
"Unexpected error occurred. Please try again later or contact your system administrator"
Microsoft have released patches to resolve this issue. You can get the hotfix from following locations
Office 2003 Client
Description of the Office 2003 documents protected with AD RMS/RMS Hotfix package: December 11, 2009
https://support.microsoft.com/?kbid=978551
Word Viewer
Description of the Word Viewer documents protected with AD RMS/RMS Hotfix package: December 11, 2009
https://support.microsoft.com/?kbid=978558
Excel Viewer
Description of the Excel Viewer documents protected with AD RMS/RMS Hotfix package: December 11, 2009