To fix the error in Hitman 3 (now World of Assassination), you must ensure your system's DirectX feature level matches the game's requirements or bypass the launcher's failure to locate the main game file. This error typically appears when the launcher cannot initialize the DX12 environment or when an antivirus program has quarantined the main executable. 1. Launch Directly from the Game Folder
Sometimes the "Executable Not Found" error is literal—your antivirus has blocked or deleted the file. Hitman 3 Executable Not Found Direct3d 12 High Quality
: Right-click the game > Properties > General > Launch Options . Type -dx11 or --dx11 . To fix the error in Hitman 3 (now
: Click the three dots next to the game > Manage > Verify . 4. Technical & Driver Fixes Fix not launching/Crash on Startup/Black screen | Hitman 3 Launch Directly from the Game Folder Sometimes the
: Go to Settings , scroll to Hitman 3, check Additional Command Line Arguments , and type -dx11 .
: Right-click HITMAN3.exe and select Run as administrator .