Error: 'Ordinal 309 could not be located in DLL WLDAP.DLL' received when installing agent. (NETIQKB45273)

fact
NetIQ Vulnerability Manager Agent for Windows 5.0

symptom
Error: 'Ordinal 309 could not be located in DLL WLDAP.DLL' received when installing agent. 

cause
Microsoft Internet Explorer is not installed or is corrupt.

fix
To resolve this issue reinstall Microsoft Internet Explorer or upgrade your existing version to Microsoft Internet Explorer to version  6.0 or later. 

Formerly known as NETIQKB45273