Here is the latest tunngle update
http://www.speedyshare.com/2yV7Y/Tunngle-Setup-v4.5.1.1.exe
Thanks. It looks like it broke a lot of the servers if anyone's wondering what happened to them all. :)
http://www.speedyshare.com/yhST5/Tunngle-Setup-v4.5.1.2.exe
fixes some finalizing freezes