Corrupted or missing files can prevent the game from recognizing that Steam is active. Open your . Right-click DmC: Devil May Cry and select Properties . Go to the Installed Files (or Local Files) tab.
Facing the "Steam must be running to play this game" error while trying to launch is a common frustration, especially on modern systems like Windows 10 or 11. This error typically occurs when the game fails to establish a proper handshake with the Steam client, often due to permission conflicts, corrupted local files, or outdated software configurations.
: Navigate to the game’s local files (Right-click DmC in Steam > Manage > Browse local files ). Right-click the game's executable ( DMC-DevilMayCry.exe ), select Properties , go to the Compatibility tab, and check "Run this program as an administrator". 2. Verify Game File Integrity
: Right-click the Steam shortcut and select "Run as administrator".