Most modern cracks include a "GFWL disabler" or an XLive emulator. Ensure you have an file in your game folder to bypass the sign-in requirement. Fixing Hardware Restrictions: If the game crashes on startup, you may need to edit the hardware_settings_restrictions.xml file located in the folder. Change the workerMap8Core.xml value from OpenAL & DirectX: Ensure you have DirectX End-User Runtimes
You do not need a crack. The publisher released an official in 2015 that: Dirt 3 Crack Only Skidrow
Skidrow’s challenge was not just to bypass the CD check, but to emulate an entire GFWL server environment locally. The phrase “Crack Only” had to strip the game down to its bare racing bones. Most modern cracks include a "GFWL disabler" or