The best thing to do is downld the Pro version & back it up. Back it up onto external HDD, or CD, etc. Then you'll always have a copy of it. But there's a good reason why LW updates. The gnutella network changes & develops. And so do the gnutella programs. So older programs become a heavy weight on the network as they don't work the same way or behave the way expected of the newer gnutella programs. The much older versions actually do damage to the network by causing much more traffic with less results. Thus slowing the network down. That's why people are always prompted to update asap.