1. Get the Punkbuster Service Installer from official Punkbuster site:
https://www.evenbalance.com/downloads.php
Warning: You need to download Punkbuster Service Installer (pbsvc)
2. Install pbsvc.exe
3. Reboot computer if needed.
4. Get the latest Punkbuster definition files from CallofdutyView website:
http://www.callofdutyview.net/downlo...ter-downloads/
Warning: Slide page down to section »Call of Duty 2« and download cod2_pb.zip file
5. Extract zip file (map pb) to your COD2 folder (overwrite files if needed)
6. Test your game on punkbuster enabled server. Enjoy.