JObject json = JObject.Parse(File.ReadAllText(cnfg.folder + u_core + "core.json"));
                    JArray libraries = (JArray)json["libraries"];
                    JArray modLibraries = (JArray)json["modsLibraries"];

                    string libs = "";

                    foreach (JObject lib in libraries)
                    {
                        if (lib["artifact"] != null)
                            libs += cnfg.folder + u_other + "libraries\\" + ((string)lib["artifact"]["path"]).Replace("/", "\\") + ';';
                        else if(lib["packed"] != null)
                        {
                            string lb = ((string)lib["name"]).Split(':')[0].Replace('.','\\') + '\\' + ((string)lib["name"]).Split(':')[1] + '\\'
                                + ((string)lib["name"]).Split(':')[1] + ".jar";

                            libs += cnfg.folder + u_other + "libraries\\" + lb;
                        }

                        if (lib["classifies"] != null)
                            if (lib["classifies"]["windows"] != null)
                                libs+= cnfg.folder + u_other + "libraries\\" + ((string)lib["classifies"]["windows"]["path"]).Replace("/", "\\") + ';';

                    }

                    foreach (JObject lib in modLibraries)
                        if (lib["artifact"] != null)
                            libs += cnfg.folder + u_other + "libraries\\" + ((string)lib["artifact"]["path"]).Replace("/", "\\") + ';';


                    string Ajava = "-Xmx${ram}M -Xms${ram}M -cp \"${core};${libs}\"".
                    Replace("${ram}",cnfg.ram).
                    Replace("${core}",cnfg.folder + u_core + json["id"] + ".jar").
                    Replace("${libs}", libs.Substring(0,libs.Length - 1));

                    string AMinecraft = json["mainClass"] + " -Djava.library.path=" + cnfg.folder + u_core + @"natives\ "
                        + ((string)json["minecraftArguments"]).
                        Replace("${auth_player_name}", cnfg.nick).
                        Replace("${version_name}", (string)json["id"]).
                        Replace("${game_directory}", cnfg.folder + u_other).
                        Replace("${assets_root}", cnfg.folder + u_other + @"assets\").
                        Replace("${assets_index_name}", (string)json["assetIndex"]["id"]).
                        Replace("${auth_uuid}", "00000000000000000000000000000000").
                        Replace("${auth_access_token}", "0").
                        Replace("${user_properties}", "{}").
                        Replace("${user_type}", "legacy");


                    ProcessStartInfo info = new ProcessStartInfo("java",Ajava + " " + AMinecraft);
                    Process.Start(info);