What exactly have you been using? The steps are fairly simple, i'll tell ya them.
1: Install NWN with a full install.
2: Go here
http://spacetarget.com/gcw/games/pc_...r_nights.shtml and download the no-cd/fixed exe for the version you have, think 1.20 is the latest, so just update and dl that one.
3: Unzipping the no-cd patch, usually its just an exe and you copy it to your NWN install directory over the regular NWN exe,(rename the old one to blah.exe.bak, so you have it and can update later if need be).
Then you're done. Usually no-cd patches/fixed exes come with some sort of thing telling you what to do, if that helps any. If the file is a .nfo open t with notepad or search around and see if you can find DAMN NFO Viewer to view the nfos properply.