I have an online "Games for Windows" account and use it when playing Dirt 3. Recently, when I signed in in the game it welcomed me as if it was the the first time starting the game.
Where did my saved profile go?
I found out that I had a new Documents folder since I reinstalled Windows. Thankfully I backed up the old one. The profile data is located at: C:\Users\MyUserName\Documents\My Games\DiRT3\savegame
I thought that the profile data was saved in the cloud with a online account. To bad that isn't the case.