' Get the path of a Windows application or an empty string if the application ' isn't registered'' This routine only works for those applications that register themselves under ' the registry key' HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionApp Paths'' You can use it to retrieve the path of all MSOffice apps, MS Access,'  SQl Server, Windows Dialer, ' and more, for example Run Excel in a maximized window:'    Process.Start(GetApplicationPath("EXCEL.EXE"))Function GetApplicationPath(ByVal exeName As String) As String    Dim key As Microsoft.Win32.RegistryKey    Try        key = Microsoft.Win32.Registry.LocalMachine.OpenSubKey( _            "SoftwareMicrosoftWindowsCurrentVersionApp Paths" & exeName)        Return key.GetValue("")    Catch e As Exception    Finally        If Not key Is Nothing Then key.Close()    End TryEnd Function