Hve you followed the instructions:
Quote:
Installation:
1. Download and install Azureus (Azureus : Java BitTorrent Client - Download).
2. Extract the RAR using WinRAR (WinRAR archiver, a powerful tool to process RAR and ZIP files) or equivalent to %PROGRAMFILES%Azureus (C:Program FilesAzureus) and overwrite ALL files.
3. Go to the install directory. It is important to delete or make a backup of the old Azureus2.jar (Azureus2.jar.bak) and after that rename Azureus2_x.x.x.x_xxx.jar file to Azureus2.jar
4. Run Azureus and Enjoy!