Dim URL As String
Dim browser As String = TextBox1.Text
URL = TextBox1.Text
Try
If Not (browser = TextBox1.Text) Then
Try
Process.Start(browser, URL)
Catch ex As Exception
Process.Start(URL)
End Try
Else
Process.Start(URL)
End If
Catch ex As Exception
MsgBox("There's something wrong!")
End Try