Typically, such files are used to enable multiplayer functionality (Steamworks fix) for non-official versions of the game. If you are looking for a deep blog post on this specific topic, below is a conceptual exploration of why such "fixes" exist and the technical mechanics behind them.
Satisfactory is frequently updated. A "Generic-4" fix might have been designed for an older Early Access build, leading to crashes or "Version Mismatch" errors when trying to join friends. satisfactory-fix-repair-steam-generic-4-rar
Often an .ini file that allows you to set your in-game username or change the AppID. Typically, such files are used to enable multiplayer
Since Satisfactory uses EAC, some repair fixes include scripts to disable or "null" the anti-cheat to prevent it from flagging the modified DLLs. 3. The Risks of "Generic" Fixes satisfactory-fix-repair-steam-generic-4-rar