: For games like Halo Infinite on Linux or Steam Deck, force the use of the Proton Hotfix in the game's compatibility settings.
This usually happens when a user installs a modern application—often a game or a piece of professional software like Adobe Creative Cloud—on a version of Windows that hasn't been fully updated. The software developers used modern tools to build their program, tools that rely on api-ms-win-core-memory-l1-1-6.dll to manage memory. When the program calls out for this specific helper, Windows shrugs its shoulders. The handshake fails, and the program refuses to launch. api-ms-win-core-memory-l1-1-6.dll missing
Concise recommended action plan (for most users) : For games like Halo Infinite on Linux