For mac users the library folder is hidden by default. To unhide it go on terminal and type in chflags nohidden ~/Library/ then go to Macintosh HD/Users/'your user name'/Library/Application Support/Steam/Steam Apps/Common/Football manager 12/Data/DB/1220/edt. next open start_in_admin.edt with text editor and delete the line "START_IN_ADMIN" "Rangers" then save and quit.