New Code using Infinite Loop

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Management;
using System.Timers;

namespace ezCPU
{
    public partial class ezCPU : Form
    {

        public ezCPU()
        {
            InitializeComponent();
        }

        //On load, do this
        private void Form1_Load(object sender, EventArgs e)
        {
            this.Text = this.Text + " - v" + Application.ProductVersion;
            getCPUInfo();
        }

        //Convert the string format to a readable double
        public string convertClockSpeed(string s)
        {
            double clockSpeed = Convert.ToDouble(s);
            double newClockSpeed = (clockSpeed / 1000);
            return Math.Round(newClockSpeed, 2).ToString() + " GHz";
        }

        public void getCPUInfo()
        {
            //Create the ManagementObjectSearcher grabbing everything from the Win32_Processor
            ManagementObjectSearcher myProcessorObject = new ManagementObjectSearcher("select * from Win32_Processor");

            //Loop through the returned results
            foreach (ManagementObject obj in myProcessorObject.Get())
            {
                //Assign CPU Name
                string cpuName = obj["Name"].ToString();
                txtCPUName.Text = cpuName;

                //Assign CPU Manufacturer
                string cpuManufacturer = obj["Manufacturer"].ToString();
                if (cpuManufacturer == "GenuineIntel")
                {
                    txtCPUManufacturer.Text = "Genuine Intel";
                }
                else
                {
                    txtCPUManufacturer.Text = cpuManufacturer;
                }

                //Assign CPU cores
                string cpuCores = obj["NumberOfCores"].ToString();
                txtCores.Text = cpuCores;

                //Assign CPU threads
                string cpuThreads = obj["ThreadCount"].ToString();
                txtThreads.Text = cpuThreads;

                //Assign CPU max speed
                string cpuMaxSpeed = obj["MaxClockSpeed"].ToString();
                txtClockSpeed.Text = convertClockSpeed(cpuMaxSpeed);

                updateCPUSpeed();
            }
        }

        private async Task updateCPUSpeed()
        {
            while (true)
            {
                //Each tick, create a new searcher
                ManagementObjectSearcher myProcessorObject = new ManagementObjectSearcher("select * from Win32_Processor");

                //For each searcher, assign the current CPU clock speed
                foreach (ManagementObject obj in myProcessorObject.Get())
                {
                    //Display it
                    string currentClockSpeed = obj["CurrentClockSpeed"].ToString();
                    txtCPUSpeed.Text = convertClockSpeed(currentClockSpeed);
                }

                await Task.Delay(10);
            }
        }
    }
}