Timer t = new Timer();
private void LetTheGameStart_Load(object sender, EventArgs e)
{
    timer1.Enabled = true;
    timer1.Start();
    timer1.Interval = 1000;
    progressBar1.Maximum = 10;
    timer1.Tick += new EventHandler(timer1_Tick);
}

void timer1_Tick(object sender, EventArgs e)
{
    {
        if (progressBar1.Value != 100)
        {
            progressBar1.Value++;
            label2.Text = "Downloading Virus";
        }
    }
    if (progressBar1.Value != 50)
    {
        label2.Text = "installing Virus";
    }
}