When i have come back to Kuldahar, fought the ogres that ravaging the town, went inside Arundils treehouse, talked to the fake arundil (he says there is a portal upstairs in the house) and i shall zone upstairs it starts loading but nothing more. The loading gets stuck there, i dont know what to do, tried it several times without any luck.

please help me out

A. Please report the problems as they should be reported:
1. Your detailed installation order.
2. Your detailed list of actions prior to the problem that you have encountered.

B. Please attach you WeiDU.log

Kindly note that the installation order is critical! You should strictly follow the installation instructions as detailed here:

http://forums.blackwyrmlair.net/index.php?showtopic=2541

If you ruin your installation, you won't be able to play the game.

P.S. And don't forget to install the patch v6.9.4.