Some antivirus software (especially Windows Defender or Norton) mistakenly identifies the game's DRM check as a threat and blocks the connection between the game and Steam.
It sounds simple, but never underestimate the power of a full restart. Minimizing Steam to the system tray is not enough. You must completely kill the process.
The most frequent cause is a Windows permission error. If Steam is running with standard privileges but the game tries to launch with higher privileges (or vice versa), Windows blocks the communication.
Before diving into solutions, it helps to understand the root cause. DmC: Devil May Cry uses a combination of Steam’s native DRM (Digital Rights Management) and, in some older versions, additional third-party launchers or compatibility layers. Dmc Devil May Cry Steam Must Be Running To Play This
The error "Steam must be running" typically appears for one of three reasons:
Let’s troubleshoot these issues step by step.
This is the most reliable fix for DRM-related launch errors. Steam can check if the game’s authentication handshake files are intact. It sounds simple, but never underestimate the power
Sometimes, Windows User Account Control (UAC) prevents the game from sending signals to Steam. To fix this, you need to grant administrative privileges to both applications.
The error "DmC Devil May Cry: Steam Must Be Running to Play This" is almost always a communication issue between the game executable and the Steam client. It is frustrating, but rarely permanent.
In 99% of cases, either verifying your game files (Method 2) or running both applications as administrators (Method 3) will solve the problem immediately. If you are still stuck, the antivirus exception list (Method 5) is the next most likely culprit. Let’s troubleshoot these issues step by step
Don't let a software glitch keep you from tearing through demons in Limbo. Follow these steps, and you’ll have Dante swinging his sword again in minutes.
Have a different fix that worked for you? Let us know in the comments below!