C# ile Regedit dosyası değiştirme

        string regedit1 = @"HARDWARE\DESCRIPTION\System\CentralProcessor\0";
        string regedit2 = @"HARDWARE\DESCRIPTION\System\CentralProcessor\1";
        string hassan = "islemciismi31ghz";
        try
        {
            using (RegistryKey key = Registry.LocalMachine.OpenSubKey(regedit1, true))
            {
                if (key != null)
                {
                    key.SetValue("ProcessNameString", hassan);
                }
            }
            using (RegistryKey key = Registry.LocalMachine.OpenSubKey(regedit2, true))
            {
                if (key != null)
                {
                    key.SetValue("ProcessNameString", hassan);
                }
            }
            Console.WriteLine("zibof tamamlandi");
        }
        catch (Exception ex)
        {
           //hata war hata mesajini yazdir istiosan : " Console.WriteLine("error 0x31: " + ex.Message); "
        }