[Release+Source] Windows Application Unfreezer! Vista/XP Only! Working [/Release]

Code:
Public Class Form1

    Dim charactersDisallowed As String = ",<>;   '{}[])(*!~`|/ç▲ìα▲╜Ä╤ZÆ╘¦«¨/*>?<|©÷ ¢¡¬®¯°±.²³´µ¶·¹£¤¥»¼½¾¿"

    Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged

        Dim theText As String = TextBox1.Text

        Dim Letter As String



        For x As Integer = 0 To TextBox1.Text.Length - 1

            Letter = TextBox1.Text.Substring(x, 1)

            If charactersDisallowed.Contains(Letter) Then

                theText = theText.Replace(Letter, String.Empty)

            End If

        Next

        TextBox1.Text = theText

        TextBox1.Select(TextBox1.Text.Length, 0)

    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        If My.Computer.Info.OSFullName.Contains("7") Then

            Me.Text = "Disabled, failure to function on Windows 7."

            Me.Enabled = False

            CloseApp.Enabled = True

            MsgBox("Closing Application in 10 seconds due to failure to function on Windows 7.", 48, "OS Safety Feature")

        End If

    End Sub



    Private Sub Startthat_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Startthat.Click

        Try

            If Process.GetProcessesByName(TextBox1.Text).Length > 0 Then

                status.ForeColor = Color.Lime

                status.Text = "Currently Unfreezing the Process"

                System.Diagnostics.Process.Start(TextBox1.Text)

            Else

                status.ForeColor = Color.Red

                status.Text = "Process Undefined."

            End If

        Catch ex As Exception

        End Try

    End Sub



    Private Sub CloseApp_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CloseApp.Tick

        End

    End Sub



    Private Sub LinkLabel1_LinkClicked(ByVal sender As System.Object, ByVal e As System.Windows.Forms.LinkLabelLinkClickedEventArgs) Handles LinkLabel1.LinkClicked

        Process.Start("http://www.supportforums.net/member.php?action=profile&uid=4502")

    End Sub

End Class