1. If you hit any missing dll like Xaudio*.dll or d3d*.dll etc. You need to install DirectX
2. If you hit error on missing PhysX.dll, install PhysX (Even if you have a ATI card, you still need PhysX)
3. If you hit side to side configuration is wrong or general protection, install VC++ 2005/2008/2010 depend on your OS version.
4. Games For Windows Live keep login, you need to create local/offline profile.
5. Missing xlive.dll, install Games for Windows Live
6. Most games now require framework 3.5 to play, please update your framework, even you are on XP SP3.
