: Turn off the Steam Overlay or third-party overlays like Discord or RivaTuner, which can sometimes interfere with the game's initial startup sequence . DMC Devil May Cry - Steam must be running to play this game
Follow this step-by-step troubleshooting guide to resolve the issue and get back to slashing demons. 1. Run Steam as an Administrator
The "Steam must be running to play this game" error in DmC: Devil May Cry
To fix the "Steam must be running to play this game" error for , try these primary solutions in order: 1. Run Steam and the Game as Administrator Discrepancies in user permissions often cause this error. : Turn off the Steam Overlay or third-party
Often, the Steam client just needs a quick reset to refresh its connection.
A very uncommon but documented cause for this error is the lack of a C: drive on your system. Some games and applications are hard-coded to look for specific system paths that rely on a C: drive. If you have a different partition or drive letter assigned as your primary system drive, it can cause this error.
If your game is missing files or has corrupted data, Steam may not be able to verify your license. To check this: Run Steam as an Administrator The "Steam must
Missing, corrupted, or modified files—particularly the steam_api.dll file responsible for linking the game to your profile—will trigger this launch failure. Steam can automatically scan and replace these files. Launch your client. Navigate to your Library and locate DmC: Devil May Cry . Right-click the game title and select Properties .
"Please," Leo whispered to the tech gods. "Let this be it."
The "Steam must be running" error is almost always a permissions issue. In 90% of cases, simply closing Steam and restarting it as an Administrator resolves the problem immediately. If the issue persists, verifying your game files ensures that the DRM handshake can happen correctly. A very uncommon but documented cause for this
Here’s a concise fix for the error with DmC: Devil May Cry on Steam:
After digging through old forum threads and testing multiple fixes, here is the that works in 2024/2025.