The error message "failed to start the game. cannot find essential information in the registry" (often misremembered as "cannot find essential information in the better") is a common issue with the Far Cry 3 Map Editor on PC
The Far Cry 3 map editor has hard and soft object limits. The "better" information—how to use instancing to bypass the draw call limit, or how to merge static meshes without crashing the editor—is guarded knowledge shared only in dying Discord servers. For a new mapper, this is essential. For the existing guides, it is invisible. The error message "failed to start the game
Click in Steam. It should finish almost instantly because it's only downloading core system files. For a new mapper, this is essential
The most reliable way to bypass launcher errors is to skip the launcher entirely. Many users find success by running the executable directly from the game's installation directory. It should finish almost instantly because it's only
Navigate to the bin folder and find , farcry3_d3d11.exe , and FC3UpdaterSteam.exe . For each, right-click and go to Properties > Compatibility .