Problem with Streamreader and Notify Icon Tip

[iace]

im having problem with this code, what i want it to do it go on the site nd if it finds the word online it switches the text

so say it directed to google and the word online is somewhere in the html code of the site, the app should then change label 5 to online
BUT i get this error

"Could not find file 'C:\Users\Owner\Desktop\AMi BETA\AMi BETA\bin\Debug\www.google.com'."
-----------------------
everything i want the notifyicon to do is working but i only want it to pop up once but every time the timer ticks it pops up

 Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ServerStatus.Tick
        Dim LB5 As String = Label5.Text
        Dim wc As New System.Net.WebClient()
        Dim sr As New IO.StreamReader(wc.OpenRead(LB5))
      Dim s As String = sr.ReadToEnd()
          sr.Close()
        If s.Contains("Online") Then
            Status.Text = "Online"
            Status.ForeColor = Color.LimeGreen
            If Me.Visible = False Then
                'Tip Pops up
                NotifyIcon1.BalloonTipText = Label1.Text & " is Online!"
                NotifyIcon1.ShowBalloonTip(5000)

            End If
        Else
            Me.Status.Text = "Offline"
            Status.ForeColor = Color.Red
        End If
    End Sub