A3 launcher , error that can not be recovered

  • So im have a problem for about a week now, i closed my game because it froze and know i get an error saying that it can not be recovered from. I looked in the log and this is what it said
    Error [line: 0 Settings -> UnhandledException()]: Log exception -> Message: Could not load file or assembly 'Steamworks.NET, Version=, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
    StackTrace: at LauncherCommon.Steam.SteamWorkshop.Init(Int32 appid)
    at LauncherCommon.Core.Settings.Load(ILauncherSettings launcher)
    at A3Launcher.App.Main(String[] arg
    please help