Your FiveM cache is not in the main install directory. It lives in AppData.
or various LUA executors are designed to "dump" client-side scripts as they are streamed to your PC. Limitations how to dump server files fivem full
This forces the client to delete cache on disconnect. It does prevent active dumping, but it stops script kiddies from browsing your files post-session. Your FiveM cache is not in the main install directory