String Username = usernameTextBox.Text;
        String Password = passwordTextBox.Text;
        Boolean allowLogin = false;

        private void CheckIDs()
        {
            System.Management.SelectQuery Query = new System.Management.SelectQuery("Win32_Processor");
            System.Management.ManagementObjectSearcher Searcher = new System.Management.ManagementObjectSearcher(Query);
            System.Management.ManagementObject ManageObject = new System.Management.ManagementObject();

            //Check if the username is equal to the saved username
            if (Username.ToLower() == Properties.Settings.Default.Username.ToLower())
            {
                //Check if the password is equal to the saved password
                if (Password.ToLower() == Properties.Settings.Default.Password.ToLower())
                {
                    //Check if the user's ProcessorID is equal to the saved ProcessID
                    if (ManageObject["ProcessorId"].ToString() == Properties.Settings.Default.ProcessID)
                    {
                        //A Boolean that will allow you to login
                        allowLogin = true;
                        Login();
                    }
                    else
                    {
                        //A Boolean that will not allow you to login
                        allowLogin = false;
                    }
                }
            }
        }

        private void Login()
        {
            if (allowLogin == true)
            {
                //Add your Login Code
            }
            else
            {
                //Do Nothing
                //Or
                //Add your Other Code
            }
        }