Gunslinger !new! — Steam Is Required In Order To Play Call Of Juarez

Open Steam and log in before launching the game shortcut.

Your 5-hour journey through the Western frontier is saved to the cloud, allowing you to resume your progress on different computers. Setting Up Call of Juarez: Gunslinger on Steam

The issue typically stems from broken communication between the game's executable file and your active Steam client. Below is a comprehensive guide detailing exactly why this happens and how to fix it step-by-step. Why Does This Error Occur?