is a known compatibility and licensing handshake issue that often occurs on modern Windows 10/11 systems and the Steam Deck. Top Fixes for DmC: Devil May Cry Delete the "ClientRegistry.blob" File
Missing, corrupted, or altered game configuration files can break the built-in Steam API loop. You can use the built-in validation tool on the Steam Store Client to scan and repair broken files. is a known compatibility and licensing handshake issue
Games rely on these core system files. If they are missing or broken, the game may not start. the game may not start.