Hoffe das euer Englisch dafür reicht,
ich bin zu faul das zu übersetzten
Das ist eine Anleitung aus dem Forum wo ich meine UI her hab.
Clean Installation (Basic Users):
Use this method if you are new to mods and do not understand how mods work in World of Warcraft, this is the recommended procedure.
1. Exit the game
2. Delete all the contents of your ..\World of Warcraft\Interface\ folder
3. Make a Backup of your ..\World of Warcraft\WTF\ folder, you only need to do this if you want to have a backup of data from mods previously installed, for example Gatherer, Map Notes, etc.
4. Delete your ..\World of Warcraft\WTF\ folder
5. Delete your ..\World of Warcraft\Cache\WDB\ folder
6. Launch the game without any mods installed and log into the game with one of your characters
7. Exit the game
8. Extract all the files from the Addon Zip file making sure to use folder names and point to your root World of Warcraft folder.
9. Launch the game