Thnx had the same problem ...
Ow and I did use the cep-updater ... but apparently this is not a very clever thing to do
http://nwvault.ign.com/View.php?view=hakpaks.detail&id=7849"DO NOT USE THE UPDATER!!!
The updater will destroy some of 2.4 you downloaded and you will have to reinstall.
The latest material is ONLY on the NWNVault!!!
DO NOT USE THE CEP UPDATER - the person who did the updater is no longer active in the CEP and the Updater is retro - not up to date and will NOT BE USED!!!"