Then, in DAUpdater highlight the mod by clicking on it, then click on the button “Install Selected”. dazip file and click the “open” button on the directory popup window. Click on the button “Select Dazip” on the bottom of the updater and search the directory for your extracted. Go to Steam\Steamapps\common\Dragon Age Ultimate Edition\bin_ship where you will find “DAUpdater.exe”. If it doesn't register, the game is not recognizing your mod installations (You probably already know how to use DAUpdater, but here are directions if you don't. You might try installing (or reinstalling) No Helmet Hack 1.6 with the DAupdater.exe as a test case-that is one you can see immediately in your game. You might want to check if windows or your av program is blocking the manager.
(you may also want to check the mod page forum both for modder and your other mods just to see if any of the symptoms sound like yours). You might try to reinstall DA modder -one post in the nexus forums seemed to suggest that the filepaths got messed up when they moved their DA Modder installation. Not all mods will show up in downloadable content-are you using No Helmet Hack 1.6 by any chance? That one will show up in downloadable content if installed correctly.