Also delete %localappdata%\Steam\htmlcache (copy/paste that into File Explorer).
Article last tested on: Steam Build 1716903, Windows 11 Pro 23H2, Hitman: Absolution Elite Edition. hitman absolution failed to initialize steam fix exclusive
Modern Windows updates (especially Windows 10 and 11), newer graphics drivers, and background software (like antivirus or overlays) often block or confuse this older API call. When you launch Hitman: Absolution , it tries to "shake hands" with Steam, but something interrupts the handshake. The game then throws the error: Windows 11 Pro 23H2
Right-click in your Steam Library and select Properties . newer graphics drivers
Open Notepad and paste the following:
Uninstall Hitman: Absolution via Steam.