To fix the "Steam must be running to play this game" error in DmC: Devil May Cry, you must ensure both the Steam client and the game have the necessary permissions and file integrity to communicate with each other. Quick Fixes
: Granting elevated permissions can bypass communication blocks. Locate the game's executable in .../Steamapps/common/DmC Devil May Cry/Binaries/Win32/ Right-click DmC-DevilMayCry.exe Properties , and under the Compatibility tab, check Run this program as an administrator Reinstall Visual C++ and DirectX To fix the "Steam must be running to
If you are running the game on a modern OS, the "Steam must be running" error might actually be a crash-at-launch issue masked by an incorrect error message. Update DmC Devil May Cry: Corrupted temporary data
Corrupted temporary data in Steam can lead to misreporting of the client's status. Go to Steam (top left) > Settings > Downloads. Click Clear Download Cache. Steam will restart and require you to log back in. 5. Reinstall Essential Dependencies Exit Steam
Fixed: Steam Says a Game Is Running When It Isn't - SoftwareKeep
Open DmCGame.ini with Notepad. Add or modify these lines under [Engine.GameEngine]:
C:\Program Files (x86)\Steam\ except steamapps and userdata.SteamSetup.exe from the official site. It will reinstall core files and DRM hooks.How it Works: