About the Error
The error message will also list the registry subkey which is causing the error. This error is caused by not having administrative privileges on the computer being used. Windows Office 2003 and XP have a file which requires administrative privileges to edit this file when it is opened or installed.
Tips for resolving the error code 1406 in Windows.
Method 1 - Consult the network administrator or primary user of that specific computer and ask them to set you up with administrative privileges in your user account. Method 2 - If adding administrative privileges does not work, the file may be corrupted. Re-install the Office software.
TipFor more information, please see: How to fix Registry error #1406