If nothing works, back up your steamapps folder, uninstall Steam, delete leftover folders (except steamapps ), reinstall Steam, restore your games, and verify files again.
This resolves most permission-based initialization failures. hitman absolution failed to initialize steam fix
Some programs running in the background can conflict with Steam. Try disabling them: If nothing works, back up your steamapps folder,
The "Failed to initialize Steam" error in Hitman: Absolution Try disabling them: The "Failed to initialize Steam"
If all else fails, force Steam into Offline Mode and launch the game. This bypasses the online authentication handshake that might be failing.
If absolutely nothing works, the community has created a workaround. A user on the Steam Community forums (and Nexus Mods) created a "Steam API Emulator" specifically for Hitman: Absolution . This tricks the .exe into thinking Steam is initialized without actually talking to the Steam client.