
Right-click in your Steam Client Library. Select Properties from the context dropdown. Navigate to the Installed Files tab on the left panel.
Click , then choose Manage settings . Scroll to the bottom and click Add or remove exclusions .
: Go to Steam Settings > Storage > Select your game drive > Click the three dots menu > Select Repair Folder . 🧩 Step 4: Reinstall Legacy DirectX Dependencies
A missing or altered steam_api.dll is the #1 cause of this error. Dmc Devil May Cry Steam Must Be Running To Play This
: Click the Compatibility tab. Check the box for Run this program as an administrator . Click Apply and OK. Verify Integrity of Game Files
The error message "DMC Devil May Cry Steam must be running to play this" typically occurs when the game is unable to launch because it cannot connect to the Steam service, which is required to verify the game's license and provide certain functionalities, even if you're playing offline. Here are some steps you can take to troubleshoot and hopefully resolve the issue:
Steam or the game lacks administrator rights. Right-click in your Steam Client Library
: Steam may have corrupted or missing files preventing it from recognizing the session. Right-click DmC: Devil May Cry in your Library. Properties Installed Files Local Files
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Dante grabbed Rebellion from the desk. "Finally. A language I speak." Click , then choose Manage settings
To fix the "Steam must be running to play this game" error for , try these troubleshooting steps: Immediate Fixes
If you have tried all ten fixes and still see "Steam must be running to play this," the issue may be hardware or OS-level virtualization. In rare cases, certain gaming laptops with (with P-cores and E-cores) cause timing issues with legacy DRM. The fix there is to force DmC to run on Performance cores only via Process Lasso .
If you are on Linux and see the "Steam must be running" error, try these steps: