[DmC: Devil May Cry Executable] │ ▼ (Fails Handshake) [Missing/Blocked steam_api.dll] ──► ERROR: "Steam Must Be Running..." ▲ │ (Fix: Run as Admin & Restore File) [Steam Client Library] Step-by-Step Fixes for DmC: Devil May Cry

Missing or corrupted game files often break the Steam API integration, tricking the game into thinking Steam is closed. Open your Steam . Right-click on DmC: Devil May Cry and select Properties . Navigate to the Installed Files (or Local Files) tab.

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Follow this organized troubleshooting guide to resolve the issue and return to the game. Run Steam and DmC as an Administrator

Antivirus (McAfee, Norton, Malwarebytes) or overlay software (Discord, GeForce Experience, MSI Afterburner) can block Steam’s DRM handshake.

This error typically happens when the game cannot communicate with the Steam client, often due to permission conflicts, background glitches, or missing application files. Below is a comprehensive guide to resolving this issue completely. 📋 Quick Checklist Before Troubleshooting

This error is a common but solvable problem that points to a core issue in the game's communication with the Steam client. However, before you get frustrated, the good news is that this error is almost always fixable with a few straightforward troubleshooting steps. This guide is your complete handbook to understanding and resolving this issue, getting you back to slaying demons in style. We'll cover everything from simple restarts to in-depth file verification, ensuring you can finally enjoy this stylish action classic.

Like most modern PC games sold on the platform, DmC: Devil May Cry is protected by Digital Rights Management (DRM). This DRM system requires the Steam client to be active to verify that you have a legitimate license to play the game. The error indicates that your game either cannot find the Steam client or has failed its validation check with Steam's servers. In short, the game is unable to confirm that it's a legitimate copy, triggering this warning message.

If you’re trying to dive into Ninja Theory’s stylized reboot of the Devil May Cry series, encountering the message can be a major buzzkill. This error typically surfaces when there is a communication breakdown between the game executable and the Steam client, or when local files have become corrupted.

Before trying the main fixes, ensure you cover these basic steps:

Windows often blocks games from communicating with Steam if they have different privilege levels. Forcing Steam to run as an admin usually bridges this gap.