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                private void button1_Click(object sender, EventArgs e)
        {
            if (CB_Welt.SelectedIndex != -1)
            {
                Welt = CB_Welt.SelectedItem.ToString();
                if (Datacheck(Welt))
                {
                    Doerfer = prepare(File.ReadAllLines(Welt + "village.txt"));
                    Spieler = prepare(File.ReadAllLines(Welt + "player.txt"));
                    if (TB_Name.Text != "")
                    {
                        playername = TB_Name.Text;
                        if (TB_Pw.Text != "")
                        {
                            Password = TB_Pw.Text;
                            if (findPlayer(Welt))
                            {
                                auto = checkBox1.Checked;
                                P_Login.Enabled = false;
                                panel2.Visible = true;
                            }
                        }
                    }
                }
            }
        }



private bool Datacheck(string Welt)
        {
            if (File.Exists(Welt + "player.txt"))
            {
                if (File.GetCreationTimeUtc(Welt + "player.txt").Date == DateTime.UtcNow.Date &&
                    File.GetCreationTimeUtc(Welt + "player.txt").Hour == DateTime.UtcNow.Hour)
                    return true;
                else
                {
                    try
                    {
                        File.Delete(Welt + "player.txt");
                        File.Delete(Welt + "player.zip");
                        File.Delete(Welt + "village.txt");
                        File.Delete(Welt + "village.zip");
                    }
                    catch (Exception e)
                    {
                        MessageBox.Show(e.Message);
                    }
                }
            }
            DLF = new Downloadform(Welt);
            DLF.Show();
            DLF.Disposed += new EventHandler(DLF_Disposed);
            tabPage2.Controls.Add(DLF);
            P_Login.Enabled = false;
            return false;
        }					

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MessageBox.Show("Spieler nicht gefunden")					

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DLF = new Downloadform(Welt);