He doesnt say, if he is using windows 7 or automatic syncronisation by Steam. Both have options for recover of this. Steam will sync. automaticly. Windows 7 has a recover option per file, folder or disk. Loss of data, is usually not the games own responsibility. Try to give more information.
Translating this with google, took me lesser than 20 secs and goes like this: All my wins were deleted from global leaders lead, and so far no one solves it because codemaster not answer my email and Microsoft says the problem is the f1 2013 server codemaster. Can anyone help me ..?