Go to the game's install folder: SteamLibrary\steamapps\common\DmC Devil May Cry\Binaries\Win32 . Look for a file named . If it’s missing: Right-click > New > Text Document . Name it steam_appid .
To fix the "Steam must be running to play this game" error in DmC: Devil May Cry , try these primary solutions reported by the community: 1. Run Steam as Administrator Name it steam_appid
There it was. He had checked "Run this program in compatibility mode for Windows 8" months ago to fix a lag issue in a completely different game. He had forgotten to uncheck it. He had checked "Run this program in compatibility
After digging through old forum threads and testing multiple fixes, here is the that works in 2024/2025. Name it steam_appid
The most common cause of this error is a lack of proper permissions. If Steam or the game executable doesn't have administrative rights, they may fail to communicate correctly. : Close Steam completely. Right-click the Steam shortcut on your desktop and select Run as Administrator : Navigate to your game's install folder (usually Steam\steamapps\common\DmC Devil May Cry\Binaries\Win32 ). Right-click DMC-DevilMayCry.exe Properties Compatibility , and check Run this program as an administrator 2. Verify Game File Integrity