Hello,
Lookout 3.8 has not been obsoleted for quite a few years now, and is not support by National Instruments any longer. I would highly recommend upgrading to Lookout 6.0. You can contact your local sales engineer about any other options that he/she can offer to help you in this case.
A Saha
Applications Engineer
National Instruments
Anu Saha
Academic Product Marketing Engineer
National Instruments