The historical significance of the "CODEX Fixed" crack is that it pushed the gaming industry toward a massive course correction. Due to intense player backlash regarding how the Market ruined the natural flow of the story, Monolith Productions eventually capitulated.
For Steam-linked versions, try setting launch options to -dx11 or -dx12 to force specific DirectX versions.
Right-click ShadowOfWar.exe and select "Run as administrator".
The "Fixed" version of the game also refers to the state of the game after Monolith Productions officially removed microtransactions and the in-game Market in July 2018. Market Removal:
A specific issue where traveling to certain regions crashes the game entirely.
While the CODEX release cracked the DRM, it initially disabled online features. The community created Middle-earth.Shadow.of.War.V1.0.Online.Fix-REVOLT to allow players to access limited online content, such as online vendettas and the market.
The search for "middleearthshadowofwarcrackonlycodex fixed" refers to a specific pirated release of the game Middle-earth: Shadow of War