exe running in Backend

public  bool TerminateProcess(string strProcessName)
        {
            foreach (Process windowprocess in Process.GetProcesses())
            {
                if (windowprocess.ProcessName == strProcessName)
                {
                    MessageBoxResult result = MessageBox.Show("Would you like to automatically close running Process.", "Application Name", MessageBoxButton.YesNo, MessageBoxImage.Question);
                    if (result == MessageBoxResult.Yes)
                    {
                        foreach (Process process in Process.GetProcesses())
                        {
                            if (process.ProcessName == strProcessName)
                                windowprocess.Kill();
                        }
                        return true;
                    }
                    return false;
                }
            }
            return true;
        }