Fake .NET Framework warning.cs

private static void FakeFrameworkWarning()
{
    StringBuilder sb = new StringBuilder();
    sb.AppendLine("This application requires one of the following versions of the .NET Framework:");
    sb.AppendLine(".NETFramework,Version=v4.5.2");
    sb.AppendLine();
    sb.AppendLine("Do you want to install this .NET Framework version now?");
    DialogResult res = MessageBox.Show(sb.ToString(), Process.GetCurrentProcess().MainModule.ModuleName + " - This application could not be started.", MessageBoxButtons.YesNo, MessageBoxIcon.Error);
    if (res == DialogResult.Yes)
    {
        Process.Start("http://dotnetsocial.cloudapp.net/GetDotnet?tfm=.NETFramework,Version=v4.5.2");
    }
    else
    {
        Environment.Exit(0);
    }
}