In the vast majority of cases, the solution is to properly reinstall xlive.dll on your PC, to the Windows system folder. Alternatively, some programs, notably PC games, require that the DLL file is placed in the game/application installation folder.
Exactly what happened to me. I fixed it. Let me know which time you are available. Or you can read my reddit post on the comments sections with someone that had the same issue, _of_war_pc_games_for_windows_live_edition/ 2b1af7f3a8