(like "Key already in use" or "Service unavailable") when trying to activate the game?
: Regardless of where you buy it, you must have a Ubisoft account and the Ubisoft Connect application installed to play. Troubleshooting Activation Issues Splinter Cell Blacklist Activation Code Keygen Download
If you're having trouble obtaining a legitimate activation code or experiencing issues with your current code, consider the following alternatives: (like "Key already in use" or "Service unavailable")