Exception in deploying CLickonce ( Help Please)

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C#

exceptions

This is my Code , i publish my Windows Application Form with ClickOnce ,
There is a button in form it is supposed to start an installation of the Screen Share software when it is clicked.
Here is my Publish Folder Path : \\192.168.0.1\PUBLiC\Akmal\ProcessEndLastFTP\
Here is my Installation URL : \\192.168.0.1\PUBLiC\Akmal\ProcessEndLastFTP\
File is placed on UNC Path ,
PROBLEM
When i publish it , it starts the installation of windows form. But when i click the Button it shows an exception
System.ComponentModel.Win32Exception The network name cannot be fount etc....
NOTE
It invoke the installation behind button in windows XP but shows Exception in WIndows 7

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;

namespace ApplicationShield
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void button1_Click(object sender, EventArgs e)
        {
            Process p = new Process();
            try
            {      
                p.StartInfo.UseShellExecute = false;
                p.StartInfo.FileName = @"\\192.168.0.1\public\Akmal\IBTalk_Screenshare.exe";
                p.Start();            
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.ToString());
                MessageBox.Show("Installation Canceled");
            }
        }
    }
}