Hello Mike,
There are a couple of patches for Lookout5.0. They are available for free on the ni.com website. One of the fixes has lkworks.dll and that might help you if you are still experiencing this issue. I have attached the link below too.
http://digital.ni.com/softlib.nsf/954feaeea92d90918625674b00658b83/6b66b792e4aec94386256b500059da63?OpenDocument
http://digital.ni.com/softlib.nsf/954feaeea92d90918625674b00658b83/c1a484551a75614686256ae300734336?OpenDocument
Regards,
Arun V