colinmuscle try deleting your preference folder as sometimes it can get corrupted and needs to be freshened up lol...
I'd say that is what has happened to bonkers by updating the version of Pro it automatically deleted the old preference folder and created a new one...
You can also try updating your Java using the JRE offline installer...
Java link (4th one down)
http://java.sun.com/javase/downloads/index.jsp
Instructions on how to delete preference folder...point 2 onwards...
http://www.gnutellaforums.com/showth...threadid=36420
As far as I know Virgin are fine at the moment as another forum member uses them and all is good...