Corrupted or missing game files can cause the "Failed to Initialize Steam" error. To verify game files:

Good luck, Agent 47.

If the game won't launch or starts but fails to initialize on Windows 11, try this widely cited community workaround: Right-click Hitman: Absolution in your Steam Library and select Properties tab and disable Steam Overlay Steam Cloud Saves tab and change it to any other language (e.g., Russian).

Delete the following folders (don’t worry, Steam rebuilds them):

To resolve the "Failed to Initialize Steam" error in Hitman: Absolution, follow these steps: