If you are playing a physical retail edition or an archive copy that prompts a GFWL login at startup, you must use a modified local link file. Step 1: Download an XLive Emulation Hook

This guide provides a comprehensive "Dirt 3 Autosave Fix Full" walkthrough, addressing the core issues stemming from the now-defunct Games for Windows Live (GFWL) and file permission errors. Why Does the Dirt 3 Autosave Fail?