Some of your questions are covered here http://www.gnutellaforums.com/gettin...ire-4-5-a.html (check (e))

As for the OK button not showing, see if you can drag the window edge sideway or down.

If you have too many problems with LW 5, there's always the option to downgrade to LW 4..18 which IMHO is a better program at moment.