The game opens your browser to the Steam store page for the DLC. The Cause: The fix does not include DLC unlockers. The Fix: You need a CreamAPI or a different Steamworks fix that specifically mentions "DLC Unlocker."
In the context of piracy and unauthorized game modifications, a "Steamworks fix" is a modified file (usually a .dll file, most famously steam_api.dll or steam_api64.dll ) that tricks the game into thinking it is communicating with the official Steam client. steamworks fix activation
