How to Fix “Steam Must Be Running to Play This Game” (2026 Quick Fix)
Here is a helpful review of the most effective fixes to get you back into the action: 1. Run Steam as Administrator
Corrupted or missing files can prevent the game from recognizing the Steam client. Open your Steam . Right-click DmC: Devil May Cry and select Properties .
Add the DmC installation folder to your in your antivirus settings .
Find the DMC-DevilMayCry.exe (usually inside the Binaries\Win32 folder). Right-click the .exe > > Compatibility tab.